drop a bollock

vulgar slang To mess something up; to make a particularly egregious error. Primarily heard in UK. That new intern is totally useless, he's always dropping a bollock on important projects. That player really dropped a bollock during the match yesterday.

Common Names:

Name	Pronounced	Usage
Carin	-	Swedish
Stefek	-	Polish
Rowley	-	English
RandÚLfr	-	Ancient Scandinavian
Anstice	['ænstis]
Othello	o-THEL-o (English)	Literature