work tail off

work one's tail off

and work one's buns off; work one's ass off; work one's butt off

Inf. Fig. to work very hard. (Use caution with butt.) I worked my tail off to get done on time. You spend half your life working your butt off—and for what?

Common Names:

Name	Pronounced	Usage
Ruchel	-	Yiddish
Apostolis	-	Greek
Golyat	-	Biblical Hebrew
Knox	NAHKS	English
Lili	-	German, French, Hungarian
Leonardo	le-o-NAHR-do (Italian, Spanish), lee-ə-NAHR-do (English)	Italian, Spanish, Portuguese, History