bust (one's) ass

rude slang To work very hard. I've been busting my ass studying for this exam, so I really hope I get a good grade. We can't blow off Holly's party—she's been busting her ass cooking and cleaning and getting everything ready for company.

Common Names:

Name	Pronounced	Usage
Veva	-	English
Rasima	-	Arabic
FehİM	-	Turkish
Rayyan	-	Arabic
Boaz	BO-az (English)	Biblical, Hebrew, Biblical Hebrew
GÉRaldine	-	French