Breadcrumb Home > Dictionary > Index M mump: Meaning and Definition of Find definitions for: mump Pronunciation: (mump, moomp), [key] — Brit. Dial. Brit. Dial. —v.t. to mumble; mutter. —v.i. to sulk; mope. to grimace. mump Pronunciation: (mump, moomp), [key] — Brit. Dial. Brit. Dial. —v.t. to cheat. —v.i. to beg. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mummy bag mumps TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: bilious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language