iat, is an abbreviation of i ain’t trippin. it’s kind of a texas slang but everyone says ain’t, so there’s no need to stress.
Are you good? Like do you need help?”
Nah, iat.”
by puos November 26, 2019
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Stands for:

I'm about to slit
"Stfu emo"

"STFU IATS"
by Brandon "Dark Wanderer" July 24, 2006
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