Definition of mump

• v. i. - To move the lips with the mouth closed; to mumble, as in sulkiness.
• v. i. - To talk imperfectly, brokenly, or feebly; to chatter unintelligibly.
• v. i. - To cheat; to deceive; to play the beggar.
• v. i. - To be sullen or sulky.
• v. t. - To utter imperfectly, brokenly, or feebly.
• v. t. - To work over with the mouth; to mumble; as, to mump food.
• v. t. - To deprive of (something) by cheating; to impose upon.