i Register
In some senses, chomper is marked as informal, rare. Watch for register when choosing this word.
noun
One who, or that which, chomps.
Hollier was a chomper, his jaws working up and down like pistons, and without seeming to be greedy he ate a great deal.
I am a chomper of teeth and a displayer of feelings.
A tooth.
I wanted an ancient shark tooth, a chomper that last saw use by a predator perhaps 25 million years ago.