To describe something that no matter how much effort you put in to clean it... It will always be sh*t.
Boss: Deep clean the bleachers with soap and water.
Worker: Man, that's like 'polishing a turd'- regardless how clean we get them.. They will always get dirty.
Polish a turd- Alter something that can never be forgotten.
Despite your best efforts, there are some things you just can't fix/improve.
To point out futile attempts to conceal/change the baisc nature of something.
1) Joe: Danny's back in town. He lost a bunch of weight, got a nose job, got hair plugs and now wears really flashy clothes but he's still one ugly motherfucker.
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."