my foot

intj

(idiomatic) Indicates disapproval, disregard, disdain, disgust or disbelief. / Used other than figuratively or idiomatically: see my, foot.

My foot! I won't do it.

意味（1）

(idiomatic) Indicates disapproval, disregard, disdain, disgust or disbelief.

Aerodynamics, my foot! The thing drives like a billboard.

意味（2）

Used other than figuratively or idiomatically: see my, foot.