turd in the punchbowl
vulgar slang Something or someone that spoils, ruins, or needlessly complicates a situation or circumstance; a disagreeable nuisance or source of irritation. For these greedy corporate executives, restrictions put in place by regulators to protect consumers are just turds in the punchbowl. Not to be the turd in the punchbowl, but I really think we should take this money we found to the police, instead of keeping it for ourselves.
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.
you can't polish a turd
You can't make something unpleasant seem more appealing than it really is—attempting to do so 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—you can't polish a turd, you know.