My foot!

my foot

An exclamation of disdain or disagreement. Busy my foot! I know he's lying just to get out of this commitment he made.
See also: foot
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

My foot!

Inf. I do not believe it!; Like hell! (An exclamation of contradiction.) Your prices are the best in town, my foot! I know two places cheaper. She's going to marry you? My foot!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

my foot!

used to express strong contradiction or disbelief. informal
Farlex Partner Idioms Dictionary © Farlex 2017

...my ˈfoot!

(informal, humorous) a strong way of saying that you disagree completely with what has just been said: ‘Ian can’t come because he’s tired.’ ‘Tired my foot! Lazy more like!’
Farlex Partner Idioms Dictionary © Farlex 2017

My foot!

exclam. I do not believe it!; Like hell! (An exclamation of contradiction.) You’re the best in town, my foot!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also: