- bring your own bottle, as of liquor or wine: often included in an invitation to indicate that the host will not provide liquor.
Origin of BYOB
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- bring your own beer
- bring your own booze
- bring your own bottle
Word Origin and History for byob
initialism for "bring your own bottle" or "bring your own booze," by 1951.
Online Etymology Dictionary, © 2010 Douglas Harper