/ Dictionary / Index F flapper: Meaning and Definition of Find definitions for: flap•per Pronunciation: (flap'ur), [key] — n. something broad and flat used for striking or for making a noise by striking. a broad, flat, hinged or hanging piece; flap. a young woman, esp. one who, during the 1920s, behaved and dressed in a boldly unconventional manner. a young bird just learning to fly. the hand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flapper (Thesaurus) flappable flappy Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language