smut butt on a putt putt 

(southern U.S.A. slang, non derogatory)An african american (male) riding a motorcycle. Black motorcyclist on a budget, usually older model ragged looking cruiser with loud pipes. Don't race one, the smut butt on a putt putt will usually outrun you.

What was that blur that went by with an awful noise? It was a smut butt on a putt putt.

smut butt on a putt putt by FIrepig January 18, 2006