Fuck up
Definition 1 of 4
Pro Tip 1/3Colloquial Use
The phrase is very informal and may be offensive. Avoid using it in professional or formal settings. 
I can't believe I fucked up the presentation.
Pro Tip 2/3Severity of Mistake
Often used for significant mistakes that have noticeable negative consequences. 
He fucked up by missing the deadline.
Pro Tip 3/3Emotional Impact
Expresses frustration, self-criticism, or regret over the error made. 
I really fucked up this time. 
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