1. (v. i.) To move the lips with the mouth closed; to mumble, as in sulkiness.

2. (v. i.) To talk imperfectly, brokenly, or feebly; to chatter unintelligibly.

3. (v. i.) To cheat; to deceive; to play the beggar.

4. (v. i.) To be sullen or sulky.

5. (v. t.) To utter imperfectly, brokenly, or feebly.

6. (v. t.) To work over with the mouth; to mumble; as, to mump food.

7. (v. t.) To deprive of (something) by cheating; to impose upon.