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.

A casual invitation / threat used by an individual that is not afraid of fucking someone up.

Cock Chomper: Anyone that chomps, bites, chews, nibbles, or otherwise gnaws on a man's genetalia. Also known as a Shlong Slurper or a Wang Whistler.