What's on your mug?

Verb: To Fuck someone better

Bruce is such a great guy why is he with that bitch Lily. He should fuck up.

By SarasSluts

parts of philly, specifically Kensington, Frankfurt, Ollony, and neighboring parts of the city use it as a shortened way to say "shut the fuck up"

guy 1: hey man, I saw your mom working her corner last night guy2 throws a punch at guy 1 knocking him to the ground guy2: fuck up bitch.

By Kauffman

A person who is all around fucked up but they don't even know it. They think they are acting normal but overall this sober S.O.B. is acting like a drunk bitch. Spontaneous, crazy, loud, NEVER makes sense, and sings to themselves.

You crazy Fuck Up, seriously Francheska you are a Fuck Up

By somebodywho

can replace the word "eat"

i could really "fuck up" a cheese burger right now

By saledin

Noun A job that was an utter failure.

Yeah, Andrew did another fuck up on plant 4.

By The Walrus