work one’s tail off

and work one’s ass off and work one’s buns off and work one’s butt off

tv. to work very hard. (Often objectionable.) You spend half your life working your butt off—and for what? I worked my buns off to get this done on time!

Common Names:

Name	Pronounced	Usage
Porphyrios	-	Ancient Greek
Kwesi	-	Western African, Akan
Severo	se-VE-ro	Italian, Spanish
Hesekiel	HE-se-kee-el	Finnish (Rare)
Jerrod	JER-əd	English
Cerridwyn	-	Welsh