/ Dictionary / Index S shellacking: Meaning and Definition of Find definitions for: shel•lack•ing Pronunciation: (shu-lak'ing), [key] — n. Slang. an utter defeat: a shellacking their team will remember. a sound thrashing: His father gave him a shellacking for stealing the book. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shellacking (Thesaurus) shellac shell back Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language