Mump, v. t. [imp. & p. p.Mumped (?); p. pr. & vb. n.Mumping.] 1. To utter imperfectly, brokenly, or feebly.
Old men who mump their passion. Goldsmith.
2. To work over with the mouth; to mumble; as, to mump food.
3. To deprive of (something) by cheating; to impose upon.