my arse

my arse

An interjection denoting disbelief. Primarily heard in UK. Clean up the house, my arse! You've been promising to do that for months but haven't so much as lifted a finger around here. A: "John said he makes six figures a year." B: "My arse, he does. He's still living in that shabby flat."
See also: arse

my arse!

used to express strong contradiction or disbelief.
2005 Barbelith Underground Forums Opera my arse, it's a musical with a Napoleon complex. Though I still liked it.

My arse!

(British English, taboo, slang) used by some people to show they do not believe what somebody has said: An appointment at the dentist my arse! She’s gone shopping!