What is Redneck Car Wash?
1.
To cover your truck and / or other 4x4 vehicle and maybe yourself in mud.
Guy 1: "Hey wanna go muddin Saturday?"
Guy 2: "Sure, my truck could use a redneck car wash."
See
2.
A rain storm is approching and your car is dirty, so you decide to leave your car out so it gets washed by the storm.
Guy 1: "Man, your car is filthy!"
Guy 2: "Yeah, but it's supposed to rain tonight so I'll just leave it out side and hit up the redneck car wash."
See
