[Guests must provide their drinks]

• "No alcohol provided," briefly
• "We're not serving liquor," on invites
• Inits. on an invitation
• Caveat on a cheapskate's BBQ invite
• Party spec
• Party stipulation, briefly
• Like many restaurants without a liquor lic
• "I'm not providing, you drunks!"
• Invitation abbreviation

Wikipedia Word definitions in Wikipedia
BYOB is an initialism used on party invitations, meaning "bring your own beverage" or variants. BYOB may also refer to: BYOB (musician) , an English musician B.Y.O.B. (song) , a song by System of a Down from their album Mezmerize BYOB (programming language) ...