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