Definition of fuck up
fuck up 
noun
- one who messes up; SCREWS UP.
He got fired because he was a fuck-up.
by Anonymous, Apr 24 1999.
- a mistake. Hyphenated.
by WalterGR, Sacramento, CA, USA, Aug 26 2009.
verb
- to severely injure (a person) or damage (a thing.)
He really fucked that guy up!
Thanks for fucking up my car.
by Anonymous, Apr 24 1999.
- to mess up; SCREW UP.
You really fucked up this job.
by Anonymous, Apr 24 1999.
Discover slang words with the same meaning:
Slang terms with the same root words:
- fuck: abso-fucking-lutely – abso-fuckin'-lutely – (show 121 more)
- up: ace up (one's) sleeve – act up – (show 310 more)
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