by Johnathan OIiver O'Callahan-McMichaelson III, ESQ. February 19, 2005

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.
guy2 throws a punch at guy 1 knocking him to the ground
guy2: fuck up bitch.
by Kauffman April 10, 2005

Should be hyphenated: fucked-up. Fucked-up is a compound adjective and therefore needs to be hyphenated.
by PaulBriansDisciple December 5, 2007

when you take many many pills, possibly with other substances, and act in a ridiculous/embarassing/crazy/enjoyable way.
a) i was so fucked up last night, i danced like a freak
b) are we gonna get fucked up on saturday?
c) i'm so fucked up guys, i think i'm gonna munt.
b) are we gonna get fucked up on saturday?
c) i'm so fucked up guys, i think i'm gonna munt.
by mr27 September 12, 2006

The Fuck Ups are a group of Three friends one usually dating the other and the third one is a third wheel. They usually do stupid shit and fuck their future up. Also one or two of them are usually smart the third being dumb af.
by Alan’s IPhone 7 November 23, 2020

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.
by somebodywho October 23, 2011

by kendra and bridget February 12, 2009
