When a group of males ejaculate into a 10 gallon cowboy hat and proceed to dump the contents onto an unsuspecting female.Or could be used to describe the actions of a slutty female attempting to hook up with multiple guys.
Your mom showed up at the bar last nite last night. The boys handed out a good ol tennessee carwash on the house. She sparkled like new.
Sally's cruising for a tennessee carwash with that skirt.