/ Dictionary / Index B biffy: Meaning and Definition of Find definitions for: bif•fy Pronunciation: (bif'ē), [key] — pl. -fies. a toilet or privy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biffin bifid Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language