or BYO

  1. 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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for byo

buffet, feast, BYO, clambake

British Dictionary definitions for byo


  1. Australian and NZ an unlicensed restaurant at which diners may drink their own wine, etc

Word Origin for BYO

C20: from the phrase bring your own


abbreviation for
  1. bring your own beer
  2. bring your own booze
  3. bring your own bottle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for byo


initialism for "bring your own bottle" or "bring your own booze," by 1951.

Online Etymology Dictionary, © 2010 Douglas Harper