/ Dictionary / Index T top banana: Meaning and Definition of Find definitions for: top' banan'a Pronunciation: [key] — Slang. Slang. a leading comedian in musical comedy, burlesque, vaudeville, etc.: For many years he was top banana on the circuit. the chief person in a group or undertaking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. topaz quartz top billing Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language