/ Dictionary / Index B BYOB: Meaning and Definition of Find definitions for: BYOB Pronunciation: [key] bring your own bottle, as of liquor or wine: often included in an invitation to indicate that the host will not provide liquor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Byng bypass Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language