1. A cat or other household pet who sneaks under one's bedcovers during the night and nips at one's penis.

Orig: NY, Amber and Jake.

2. One who uses his or her teeth, intentionally or accidentally, when performing fellatio.

3. See douche, douchebag, tool, asshole, etc. May be used sarcastically.
Your damn iguana's a little cockchomper.

OR What's up, cockchomper?
by Jask November 1, 2004
Get the Cockchomper mug.