Wikipedia
Rumpsville
Rumpsville (rŭmps'vĭl') slang n. also Rumpville (rŭmp'vĭl') The name of a fictional place described as Hot Rod Heaven. A term originally used in the CARtoons Magazine comic strip “Saga of Rumpville” by Pete Millar aka Arin Cee. The term Rumpsville was later re-defined in the Sports Illustrated Magazine cover article “The Car Cult From Rumpsville” when Le Roi Smith refers to Rumpsville as hot rod heaven.