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
Rosalinda	ro-sah-LEEN-dah (Spanish), ro-zah-LEEN-dah (Italian)	Spanish, Italian
Gray	GRAY	English
Tushar	-	Indian, Hindi, Marathi, Bengali, Gujarati
Tikhomir	-	Medieval Slavic
Polyxene	-	Greek Mythology
Laia	LAH-yə	Catalan