by Anton Vettel December 03, 2009
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by Lily Roman August 06, 2006
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FUI: Facebook Under the Influence. The act of writing, participating, or using Facebook, or any other social network while intoxicated. The modern extension of drunk dialing.
I never should have messaged he/she last night on Facebook. I was so FUI! Now I'll never get in his/her pants!
by Dr. Basketcase December 16, 2008
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"Dude, I should get an F.U.I. I got on Facebook last night after the party and called my X a cheating whore on her wall!"
by Auraten January 27, 2010
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fucking under the influence. having sex while also experiencing the effects of drugs, alcohol, etc. FUI is the 8th deadly sin and is punishable by a 6 month suspension of your fucking license.
by kittybaby7 June 17, 2007
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by AtomSmasher October 29, 2004
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Stands for "For Your Information"
Mother: I bet you have been the whole evening with your friends.
Daughter: pfff, f.u.i, i was at the library studying
Daughter: pfff, f.u.i, i was at the library studying
by Loyda Quintana January 07, 2008
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