fuckup
/ˈfʌkʌp/
ot noun
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A serious mistake.
Forgetting our anniversary was a major fuckup.
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One who continually makes mistakes.
You've got to fire that fuckup.
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An ineffective person; a person who fucks up a lot
Don't mind me, I'm just a harmless fuckup.
Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.