Breadcrumb Home > Dictionary > Index B big mama: Meaning and Definition of Find definitions for: big' ma'ma Pronunciation: [key] — Informal. (often caps.)Informal. a man's sweetheart, girlfriend, or wife. a woman regarded as the head of a family. the female founder or a leading female member of a company, organization, movement, etc. grandmother. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big lie bigmouth 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: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language