polish a turd(redirected from polishes a turd)
polish a turd
slang To make something unpleasant seem more appealing than it really is—which is often a futile effort. "Turd" is a slang term for a piece of feces. Look, man, your term paper was bad before, and all of your edits are just making it worse—polishing a turd won't make it better.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.