/ Dictionary / Index B boff: Meaning and Definition of Find definitions for: boff Pronunciation: (bof), [key] — Slang. Slang. —n. a box-office hit. a joke or humorous line producing hearty laughter. a loud hearty laugh; belly laugh. —v.t. to cause to be overcome with laughter. to hit; strike. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boeuf bourguignon boffin Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language