Chump Pump

A term used to define one who continually loses at 7 ball.

Boy, Rob sure is a Chump Pump!

by RC3 September 24, 2007

Chump pump

A person that manually bails a household sump after the electricity fails and they do not have a generator.

Dave and Sue spent all Saturday night working the chump pump because a tree took out their power lines.

by JMcFlyasdf September 5, 2011