feet vinegar 

The liquid that drips out of your shoes when you've been walking in the rain. It usually smells of old foot.

Dude! Did you see the feet vinegar in my shoes?

feet vinegar by Schaaf April 11, 2010

vinegar feet 

When somebody's sweaty feet gives off a sour, vinegar-like smell, due to propionic acid produced by bacteria found in the sweat.

Hoo-wee! Girlfriend's got a bad case of vinegar feet! She straight up needs Odor Eaters! feet foot odor popcorn feet

vinegar feet by Piloaz January 11, 2016