1 definition by fouii

Top Definition
Facebooking Under the Influence.

The modern equivalent of the Drunk Dial.

When you wake up to find that you or one of your friends has posted comments that they would usually censor.
Last night I got caught F.U.I. again, that photo of my nipple was supposed to be a private message not a wall post.
by fouii January 14, 2012

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