look up any word, like lemonparty:
 
1.
Basically, you do not care about whatever someone is talking about, or what they are refering too.
Alex: Someone made a rumor about you.
Amber: I ain't on that shit!

Whitney: But I wanna go to the mall!
Crystal: I ain't on that shit!
by Amber Walker September 07, 2006

Words related to I ain't on that shit!

doesn't apply i don't care it doesn't matter that's stupid. who cares