Cock up
verb
To make a mistake or mess something up.
If you cock up your exams, you may have to retake them.

Often appears as...
- cock up a job
- cock up an opportunity
Usage tips
Informal
Colloquial
noun
A mistake or something that has gone wrong.
The whole holiday was a complete cock up.

Often appears as...
- a complete cock up
- a total cock up
Usage tips
Informal
Colloquial
verb
To lift or raise something so it is not flat or level.
He cocked up his hat at a jaunty angle.

verb
To make a mistake or mess something up.
If you cock up your exams, you may have to retake them.

Often appears as...
- cock up a job
- cock up an opportunity
Usage tips
Informal
Colloquial
noun
A mistake or something that has gone wrong.
The whole holiday was a complete cock up.

Often appears as...
- a complete cock up
- a total cock up
Usage tips
Informal
Colloquial
verb
To lift or raise something so it is not flat or level.
He cocked up his hat at a jaunty angle.

Definition 1 of 3

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.
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.
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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