Choadstain, the stain that is left behind by a penis that is wider than it is long. Normally, but not exclusively after intercourse. May also be left behind after beating your meat.
(n.) a despicable person, especially one who is short and fat, much like a choad, a short, fat dick. Choadstoolism may be associated with short man's disease.
A derogatory term. One who 'smokes' choads. Choad is a term for a penis that's thicker than it is long. 'smokes' is a slang term for sucks. You get the picture. Used rarely, but made popular by recent Beavis and Butthead episodes.