ass off

your ass off

(rude)

with great effort I'm working my ass off right now on my chemistry homework.

Usage notes: often follows -ing forms of verbs, like working, laughing, or talking

Name	Pronounced	Usage
Fakhri	-	Arabic
Juvenal	JOO-və-nahl (English)	History
Sefton	SEF-tən	English (Rare)
Daly	DAY-lee	Irish, English (Rare)
Glenn	GLEN	Scottish, English
Svjetlana	-	Croatian, Serbian