BYO abbreviation

1. (used in invitations to parties, notices in restaurants, etc.)
   bring your own (bottle/beer)

[TahlilGaran] English Dictionary ▲

b.y.o.
(Abbreviation) informal Bring Your Own. Said of a kind of party where the host or hostess does not provide the drinks or food but people ring their own.

[TahlilGaran] English Idioms Dictionary ▲

BYO
Bring Your Own 
Build Your Own 
Buy Your Own

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲