Quoted By:
>I was surprised google had a definition of how it’s used:
>>vulgar slang, North American
>>used to convey that one does not believe something that has just been said.
>Example’s:
>Someone is advertising the most delicious burger ever made. You try it, and it‘s only ok. “Most delicious burger my ass!”
>You get into an argument with the Walmart cashier and the manager gets involved. You say the cashier was being rude. She denies it, exclaiming “being rude, my ass!”
>It can also be shortened to not include the subject at hand, and “my ass” used as a stand alone phrase to proclaim disbelief, similar to the drawn out pronunciation “sheeeiiit.”
>Examples:
>“Yes, Tyrone, you IS the father of my baby!”
>“My ass!”
>Notice how in that example “my ass” could just as easily been preceded with “father” or replaced by “sheeeiiit.”