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 ;-;
Me~He did, istg!
Friend~Ha Ha my parents are richer than you
Me~istg you so annoying ;-;
by XxZoexX July 27, 2020
Get the istgmug. I swear to god.
by barbz ๐๐๐ February 1, 2021
Get the istgmug. I swear to God~ it is a way of express you're being honest about something or expressing extreme annoyance at someone.
by zoe ellys May 10, 2021
Get the istgmug. 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.
Istg? Of course!
by Lester Englandson May 19, 2019
Get the istgmug. by gdmorelikegod May 26, 2020
Get the istgmug. girl 1: oi u see (persons) tweet yesterday
girl 2: Literally
girl 3: nah what post
girl 4: Istg you didnt see that?
girl 2: Literally
girl 3: nah what post
girl 4: Istg you didnt see that?
by Mushr0omElf September 29, 2022
Get the istgmug.