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!
My foot!
(old-fashioned)
something that you say after repeating something someone has just said, in order to show that you do not believe it A fluent French speaker my foot! He knows a few words at the most.
My foot!
exclam. I do not believe it!; Like hell! (An exclamation of contradiction.) You’re the best in town, my foot!