Breadcrumb Home > Dictionary > Index F flub: Meaning and Definition of Find definitions for: flub Pronunciation: (flub), [key] — v., n. flubbed, flub•bing, —v.t., v.i. to perform poorly; blunder; bungle: He flubbed the last shot and lost the match. —n. a blunder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flub (Thesaurus) flu flubdub 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: rapacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language