Mump (?), v. i. [Akin to mumble; cf. D. mompen to cheat; perh. orig., to whine like a beggar, D. mompelen to mumble. See Mumble, Mum, and cf. Mumps.]
1.
To move the lips with the mouth closed; to mumble, as in sulkiness.
He mumps, and lovers, and hangs the lip.
Taylor, 1630.
2.
To talk imperfectly, brokenly, or feebly; to chatter unintelligibly.
3.
To cheat; to deceive; to play the beggar.
And then when mumping with a sore leg, ... canting and whining.
Burke.
4.
To be sullen or sulky.
[Prov. Eng.]
© Webster 1913.
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.
© Webster 1913.