Definition from Wiktionary, the free dictionary
fuckup (plural fuckups)
- (vulgar) A serious mistake.
- Forgetting our anniversary was a major fuckup.
- (vulgar, pejorative) One who continually makes mistakes.
- You've got to fire that fuckup.
- (vulgar, pejorative) An ineffective person.
- Don't mind me, I'm just a harmless fuckup.
person making mistakes