Why do people say "My ass!" when they do not believe you?

asked 2020-05-30 07:39:13 -0500

Hippogrief gravatar image

A common expression in American English is the phrase "My ass!", used as an interjection, expressing disagreement or disbelief. For example: "You said you were a linguist. Linguist, my ass! You don't even know how to spell your name!"

Does anyone know where this comes from? How did the meaning of this phrase evolve?


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