Not worried or bothered by another person, their actions, or their property.
> [A dude walks in to a club with his wingman and a girl immediately checks him out] Wingman: She's all about it. You should knock her down.
> Man: I ain't stuttin dat ho.
> [Someone is talking alot of shit after a hard foul on the basketball court]
> Foul Perpetrator: I ain't stuttin you nigga.
> [Someone is wearing a nice grill and people are all on it] Person 1: That grill is cold!
> Person 2: I ain't stuttin that shit.