listen to the pronunciation of fuckup
Английский Язык - Турецкий язык
i., kaba tam bir fiyasko
Английский Язык - Английский Язык
An ineffective person

Don't mind me, I'm just a harmless fuckup.

A serious mistake

Forgetting our anniversary was a major fuckup.

One who continually makes mistakes

You've got to fire that fuckup.

{i} bungler, person who messes things up; blunder, bungle, mistake that causes unease, embarrassing mistake