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1.
Slang term for the old television show "Trapper John, MD.
"Turn on the tube, I wanna watch crapper john."
by x January 31, 2003
 
2.
It is how a certain Neanderthalish man from Indiana feels, due to being 46 with no sexual experience...with woman.
Get a cork, Dont crapper on yourself John, just because I am too much woman for you...
by ClarrisaKnowsAll April 23, 2005
 
3.

a slang word to use when to refering to anger

crapper john i wet my pants!
by aria vahdani April 06, 2003