fuckup
What it means
A serious mistake, or an insult for an incompetent person.
Pronunciation Heard as “fuk up”
English spellings approximate sounds and omit some contrasts. Use as retrieval hints, not authoritative pronunciation.
Used as
How it's used
Noun; distinct from the phrasal verb.
How strong is it? 4/5 · Strong
Noun; distinct from the phrasal verb. Ratings are contextual editorial estimates, not calibrated probabilities.