A term used by arrogant teenagers to make them look tough when in actual fact they won't do jackshit.
Person 1: hey Jake!
Jake: *Walks away*

Person 1: Come here, I'll fuck you up.
Jake: Fuck you, Pathetic loser!

#jock #teen #stupid shit #arrogant #teenager #loser
by BigBunnyrabbits March 1, 2019
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when someone says "i'll fuck you.up" they mean that they'll beat the shit out of you but they also wanna fuck you.
girl: shut the fuck up man

boy:bro ill fuck you. i mean..
i'll fuck you . up.
by hornknee February 13, 2024
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