What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. It could be used to define the frustration or annoyance you might have towards something or somebody. ISTG is simply an acronym that means I swear to God. Meaning. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. I Swear to God. ILYSM can be used to express profound affection. It is commonly used as an exclamation or interjection. ETA meaning: estimated time of arrival. It’s similar to the term ‘ONG. It is commonly. In summary, ISTG is an acronym widely used in informal online communication. FYP means For You Page. ’. ISTFG. Like, "ISTG, if I get one more. This expression is most likely something you've heard in ordinary conversation. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It represents an empathetic or mildly shocked response to unexpected news or events. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. ”. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. ISTG. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. A very dramatic phrase to be used only in exceptional circumstances. This abbreviation is typically used to express surprise, confusion, disbelief, or. suggest new definition. The media could not be loaded, either because the server or network failed or because the format is not supported. Page ContentsWhat Is ISTG Meaning1. TikTok lingo is hard to keep up with. OFC meaning: of course. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. Get all the news you need in your inbox each morning. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. You might learn your child is using this slang term by chance when a text pops up on the phone screen. ISTFG, I can’t believe she actually said that to me. 2. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". Specifically, as internet usage is increasing daily,. HMU meaning: hit me up. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG is simply an acronym that means I swear to God. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. What Does Istg Mean? The acronym ISTG stands for “I swear to God. ISTG Meaning. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. Sub the Gamer security threat group. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. As in, I swear that actually happened. When someone uses ISTG, they are essentially emphasizing. It can be used to express emotions, surprise, or sudden kind of feelings. suggest new definition. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. B) used to be the symbol of a person wearing sunglasses with a smile on his face. A. " “ISTG” meaning over text message. ”. When used in text conversations, ISTG retains its original meaning of “I swear to God. It is typically used to show appreciation of an act of kindness by a loved one. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. It can be used as an exclamation, where users are expressing disbelief or shock. 1 definitions of ISTG. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. Well, fret not – I’m here to help unravel the mystery for you. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. ” Definition: Istfg is an acronym for “I swear to f Up. Here’s what this multifaceted slang term means and how you may. "I swear to. It is used to express frustration, anger, or disbelief. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. ISTG means I swear to God. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. 4. new search. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. For example, three sample text messages using the abbreviation ISTFG could be: 1. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. Meaning. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ”. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. Usually used after saying something ‘cool’. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. 1 definitions of ISTG. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. It is a stronger version of the phrase “I swear”. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. Some of these words and acronyms are used on other video games and social media platforms too. This phrase is typically employed to express surprise, disbelief or concern over a given situation. It is often used in informal conversations, especially when expressing frustration or disbelief. OFC meaning: of course. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. In summary, ISTG is an acronym widely used in informal online communication. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. ISTG Unveiled: Introduction to the Slang. It can be a powerful tool for self-motivation and encouragement. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. ” Origin of ISTG. For example, they might say “ISTG this homework sucks. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. Simply put, “ISTG” stands for “ I swear to God . This is a common acronym that is used online, typically in text-based communication. ISTG stands for: I Swear To God. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Simply put,. What does istg mean in text. What does ISTG mean in the text? Ans. It can also be an expression of surprise or. 2006)Texting with friends is the best way to use this term. I swear to fucking god. Use Cases & Examples. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. FOMO meaning: the fear of missing out. Usually, students or the young generation use this acronym. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ISTG is an acronym that stands for “I Swear To God”. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. STG means different things to different people but its most common meaning is ‘Swear To God’. ISTG stands for “I swear to God. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. IYKYK meaning: if you know, you know. In a different context, “sw” can also mean “someone who. ISTG Meaning. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. Start the day smarter. ” Origin of ISTG. Testify. Essentially, ISTG is a shortcut way of saying "I. Promise. IMO meaning: in my opinion. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . "I swear to. ”. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. The abbreviation “ISTG” is a shorthand. ISTG is an acronym that stands for ‘I Swear To God. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. It's used express emotional sincerity or to seem intimidating. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. LFG meaning: let's freaking go. It can be used to express emotions, surprise, or sudden kind of feelings. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. ”. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. STFG stands for Super Teacher Friends Group. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. Person1: I'm so exhausted. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. ISTG is an acronym that means I swear to God. The phrase was later. Here's what "ISTG" means and how you can use it in your next text exchange. ISTFG. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Chronic Obstructive Pulmonary Disease D. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). This initialism should be avoided in professional situations or in conversing with someone who is religious. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. Clear Of Patient Diagnosis B. It's a close relative of the OMG (Oh My God). ISTG stands for “I swear to God” in texts and on social media apps. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. Swear to fucking god. ISTG is often used in informal conversations, texting, and on social media platforms. ISTFG. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. This is only for close friends. TLDR meaning: too long; didn't read. Definition of ISTG in Slang/Internet Slang. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. It can be used to convey sincerity, make promises, express annoyance, and more. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Prison gang. It can be written in both lowercase “istg” and capital “ISTG” letters. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. It can often. Throughout the years, a variety of terms have arisen which make it easier to communicate online. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. Use Cases & Examples. ISTG. ISTG has multiple definitions that can be used in various settings. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. 查看翻译. What Does ISTG Mean? Introduction. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. This initialism should be avoided in professional situations or in conversing with someone who is religious. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. This initialism should be avoided in professional situations or in conversing with someone who is religious. 3. STFU is an acronym that means "shut the fuck up. Start the day smarter. I Swear to God. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. . ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. Today, I'll walk you through what ISTG means in text and other text. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. It could be used to show how excited they are or to express. It is an expression used to emphasize the truthfulness or sincerity of a statement. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ETA meaning: estimated time of arrival. This is a group of teachers that are more than friends. I swear to God. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ”. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. The acronym ISTG is commonly used in text. ISTG is an acronym used for “I Swear To God. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. The ISTG acronym is commonly used in response to a person who doubts something that you said. In texting lingo, “istg” simply stands for “I Swear To God”. They prefer to work in traditional organisational environments, with people who take their. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. This is also very similar to. They are there for each other on the good days and the bad days. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. Here's what this versatile slang term means and how you can use it in your messages and social media posts. STG: You can swear to god when you are frustrated or in exacerbation. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. " ISTG is used to add emphasis to a statement (usually a promise, threat,. What does ISTG mean? ISTG means “I Swear To God”. However, as with many other abbreviations meaning "I love you," it should not. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. ISTFG. It’s also like STG. This. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. ILYSM means "I Love You So Much. This is also very similar to. Guarantee. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). Here’s our round-up of the latest Roblox slang. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. It stands for “I swear to God. ISTG is an acronym that is short for “I swear to God”. HMU meaning: hit. ”. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. ISTG stands for "I Swear to God. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. Complaint Of Patient Data C. ABC – This doesn’t stand for anything. It may sound like a new term to some, but this one is very familiar to social media users. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. It’s also like STG. ISTG is short for "I swear to God. ISTG Meaning= Threat Use Cases & Examples. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. The term comes from “shipping” within fandom culture. The Meaning of ISTG in Text. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. '. Overall, the acronym STG stands for “swear to God. ISTG Meaning= Expression of Disbelief4. ISTG Meaning= ThreatUse Cases & Examples. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. ATP meaning: answer the phone. ISTG Meaning. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. Since this is a very casual acronym, avoid using it in. "I swear to. Origin of ISTG. ”. ISTG can be used in various contexts and can have different implications depending on the conversation. One of the known acronyms is “ISTG” or “istg”. This phrase is used to emphasize the truth of a statement or assertion. ISTG Meaning= Threat3. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. ”. 2. Today, I'll walk you through what ISTG means in text. Definition of ISTG in Slang/Internet Slang. ” Kids often use this to express frustration or exasperation. new search. Usually, students or the young generation use this acronym. IYKYK meaning: if you know, you know. This phrase should only be used in casual conversation. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. I’m beyond shocked. Get all the news you need in your inbox each morning. Abbreviation of I Swear To Mother Fucking God. ISTG is an acronym used in texting, which stands for “I swear to God. ”. This expression is used to emphasize the truthfulness or seriousness of a statement. What does Istg mean in text message . You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. Jamie Grill / Getty. One of the main uses of ISTG is in text messages or chats, either between friends or in a. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. GTFO can be used to express disbelief or displeasure. ”. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. Every TikTok user's FYP. One such popular slang on platforms like Snapchat is ‘ISTG’. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. "I swear to. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. TLDR meaning: too long; didn't read. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. ”. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. ISTG stands for I Swear To God. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. ” This abbreviation is commonly used in informal conversations on various digital. Having a parental control app on your child’s phone will give you. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. . Avoid using this abbreviation in business or professional settings because it is so casual. OTP meaning: one true pairing (a couple that fans prefer to all other. In conclusion, “ISTG” is an acronym that stands for “I swear to God. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. It’s a widely used acronym in text messaging and online chatting on social networking sites. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. ISTG and OMG can also be used interchangeably often. Pinky promise. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. The “baby” part of the phrase isn’t a literal reference to a child, and. It's not typically used in a religious context. ISTG Meaning= Honesty or Certainty2. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. I swear to fucking god. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. Specifically, as internet usage is increasing daily, people. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. How Is ISTG Used? Use Cases & Examples. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. ”. This phrase is often used on social media while making public posts or in private chats.