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
Balbus	-	Ancient Roman
Adamu	-	Old Church Slavic
Meggy	-	Medieval English
Amelie	AH-me-lee, ah-me-LEE	German
Val	VAL	English
BÁR&Eth;R	-	Ancient Scandinavian