She asked him out, istg!!!
by Dank Frank December 8, 2007
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I swear to God~ it is a way of express you're being honest about something or expressing extreme annoyance at someone.
Friend~Your such a liar you dad didn't buy you a Lamborghini.
Me~He did, istg!

Friend~Ha Ha my parents are richer than you
Me~istg you so annoying ;-;
by XxZoexX July 27, 2020
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Jim : I ate your leftovers in the fridge ๐Ÿ˜›
Chloe: Istg if you did ill kill you!
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I swear to God~ it is a way of express you're being honest about something or expressing extreme annoyance at someone.
Friend~Your such a liar you dad didn't buy you a Lamborghini.
Me~He did, istg!
(XxZoexX old acc)
by zoe ellys May 10, 2021
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It's the acronym of "Is Sana the Gayest?" featuring Japanese member Sana of the Asia One Top Girl Group "TWICE" who is infamous of being "gay" with her members.
by Lester Englandson May 19, 2019
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Means: I stan G-Dragon
and you should, too
"Ugh, istg so hard."
"What?"
"I stan G-Dragon, he is the best."
by gdmorelikegod May 26, 2020
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Istg short for "I swear to god" usually in texts between girls or group chats
girl 1: oi u see (persons) tweet yesterday

girl 2: Literally

girl 3: nah what post

girl 4: Istg you didnt see that?
by Mushr0omElf September 29, 2022
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