Define Fuck His Cool Meaning

Fuck His Cool
Disagreeing with something someone else is all about or when someone is not acting right

Ryan: "Aye, did you see how dude was acting at the gym? Hella talking shit to those kids about how he has a black belt and shit"

Brittany: "Maaann Fuck his cool, that guy aint shit he'll get stomped on"
By Ceil