"We're not serving liquor," on invites

• Drinker's party instruction, for short
• Setup provider's abbr
• Like many restaurants without a liquor lic
• Party invite initials, sometimes
• Brown-bagging letters
• Abbr. often near "R.S.V.P."
• [Guests must provide their drinks]
• T.G.I.F. party request

Wikipedia Word definitions in Wikipedia
BYOB or BYO is an initialism meant to stand for "bring your own booze", "bring your own bottle", "bring your own beer" or "bring your own beverage". BYOB is often placed on an invitation to indicate that the host will not be providing alcohol and that guests ...