(champ) v.t.
1. To crush and chew noisily; munch.
2. To bite upon restlessly.
3. Scot. To mash, as potatoes; trample underfoot.
—v.i.
4. To make a biting or chewing movement with the jaws.
—noun The action of chewing or biting. [Prob. imit.]

(champ) noun Slang
Champion.