Top Definition
An acronym which stands for Face booking under intoxication.
Did you see that booze hound on Face book? It's obvious that she's drunk and she's not even 21. She's gonna get a F.B.U.I. one day.
by F.B.U.I. March 27, 2010
FBUI- Face Booking Under the Influence..
My Wife busted me for FBUI. She found my messages to the girlfriend I left last night when hammered..
by Maneuver March 06, 2014
Facebooking Under the Influence.
(Name) wrote on your wall: "LOVE YOU I"MSLOW{GNI NG GN"IGHT!!!!"

by fbui.ithappens December 06, 2008
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