Meaning of the word "my foot" in English

What does "my foot" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

my foot

US /maɪ fʊt/
UK /maɪ fʊt/
"my foot" picture

Exclamation

1.

used to express strong disagreement or disbelief about something that has just been said

Example:
He said he's a genius. Genius, my foot!
You think that's a good idea? Good idea, my foot!
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