someone's arse off adverb[with oneself]3 •(vulgar) With great effort, vigour or gusto, or to the point of excess.I've been working my arse off all day for a measly few quid.What a gig! The band played their arses off. •(vulgar) So as to rigorously exercise or exhaust someone.The boss has been working our arses off all week.He may be 50 years old, but he could still run your arse off. •(vulgar) Used as a general negative intensifier: to an extreme degree.I remember how we were all sweating our arses off during that heatwave.I could be sitting on a beach somewhere rather than freezing my arse off in this dump.
