I swear to god, commonly used for expressing annoyance.
Person 1: OMBB like.. yeahhh we DONT invite you to OUR party~~ Person 2: Istg could you just shut up, you don't even host a party ever in your live. Person 2: Oh wait i forgot you don't have a live.
By Silkyy
I swear to god.
Person1: What does ISTG mean? SmartySkittlethatssus: “I swear to god”
By S0mEone ; Dad
Istg means " i swear too god "
istg i didnt do ur girl man
By Deizomando
Shortened words for “I swear to god.” Usually not meant literally.
Person 1: We have another math test! Person 2: Istg I’m going to fail.
By HeadphoneUser
Acronyms for “ 𝘐 𝘴𝘸𝘦𝘢𝘳 𝘵𝘰 𝘨𝘰𝘥”. Mostly used in 𝗧𝗲𝘅𝘁 𝘁𝗮𝗹𝗸 (mobile phone text messaging) or online in general. Normally not used in real life daily conversation.
Dick: Did you realise your name backwards is “I moan”? Naomi: FFS 🍆 say one more thing about my name and ISTG... I'll circumcise you! Dick: 🍆? Omg you don't even 𝙉𝙖𝙤 𝙢𝙞?
By UseHerFKNName