Top Definition
An acronym for "User Interface Problem". A polite term used by IT professionals to denote when a problem exists due to user error.
"The user was locked out of their system due to a U.I.P.".
by Nife 3033 October 03, 2008
1 more definition
uip
(n) in real life, the sound created by an awkward fat person slipping on a banana peel, briefly flying into the air, and then tragically falling to the ground.

see also, hooip, whip
A: did you hear that sound?

B: sure. i think somebody just slipped awkwardly on a banana peel, briefly flew into the air, and then tragically fell to the ground!

A: yep, that was quite an uip
by uiper1 November 27, 2010

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