fucked up; fucking up; fucks up
Definition of fuck up
usually vulgar : to act foolishly or stupidly : blunder
usually vulgar : to ruin or spoil especially through stupidity or carelessness : bungle
Other Words from fuck up
fuckup \ ˈfək-ˌəp 
\ noun, usually vulgar
\ noun, usually vulgar Keep scrolling for more
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quiz - Name that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quiz - True or False?
Test your knowledge - and maybe learn something a...
Take the quiz - SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share fuck up
Time Traveler for fuck up
The first known use of fuck up was in 1863
See more words from the same year