
Cock up
Colloquial Usage
Use 'cock up' in casual conversation, not in formal writing or speeches.

I've really cocked up this time, haven't I?
British Slang
'Cock up' is primarily British slang, may confuse speakers from other regions.

You'll have to explain what 'cock up' means to our American colleagues.
Apologizing
Often used when admitting a mistake or taking responsibility for an error.

Sorry, I cocked up the instructions you gave me.
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