Mountain William 

1. A fuckin' stupid,ignorant hick.
2. Word play for "hillbilly".

Cletus is one dumb Mountain William.

Mountain William by staccato brainstem February 14, 2005

mountain williams 

adj. meaning not a hillbilly or a redneck anymore, yet to me the term itself screams redneck.

Moved past the point of being white-trash hillbilly

"We had gotten end-tables and lamps for our new couch, we were feeling like mountain williams."

mountain williams by Krucify April 26, 2006