/ Dictionary / Index B big talk: Meaning and Definition of Find definitions for: big' talk' Pronunciation: [key] — Informal. Informal. exaggeration; bragging. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big stick Bigtha Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language