/ Dictionary / Index W whapper: Meaning and Definition of Find definitions for: whap•per Pronunciation: (hwop'ur, wop'-), [key] — n. whopper. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whap whapping Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language