Breadcrumb Home > Dictionary > Index B bigmouth: Meaning and Definition of Find definitions for: big•mouth Pronunciation: (big'mouth"), [key] — pl. -mouths -mouth, -mouths a loud, talkative person, esp. one who lacks discretion. any of several fishes having an unusually large mouth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big mama bigmouth buffalofish TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language