An old Volks Wagon bus. It's basicaly shaped like a small bus, there is much space in the back that you could lay down a matress and get it on... On that 70's show Micheal Kelso has one.
term used to describe someone who is very cool but has an old, ugly, or broken down car. doesn't have to be a station wagon, can be any car. usually a first car handed down from parents.