One of the new wave 80's fashion retro kids. Usually seen with highlighted mullet hair and sweat band. Named after the 80's icon of crap hair and fashion keith chegwin.
by chopper October 12, 2003

A disgusting undistinguishable substance usually found in old drain pipes, but used to describe any unknown sludge and/or grime resulting from prolonged accumulation due to lack of cleaning.
by chopper February 14, 2005
