No set definition, can mean anything and everything. Often used but not limited a substitute to for a curse word.
Dayum look at her big ol' Quis
What the Qui?!
Qui two one blast off!
by Quing Mustang October 27, 2010
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"Hey, your fly's down,"

"Oh, quis!"
by Raymyster September 6, 2003
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a person (often female) who is white, but acts incredibly ghetto.
woa, don't go gettin all bon qui qui on me!
by Philly Bo Billy April 24, 2008
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Having an extremely bad expeirence with a female fast food employee as seen in the MADD TV skit with Bon Qui Qui, an employee who works at King Burger.

This can include but is not limited to: incorrect orders, being threatened to be "cut", having security called on you for having a complicated order, and/or greeted "Welcome to (restaurant) where we can do it your way, but don't get crazy!"
Bon Qui-Quied The woman who works at King Burger refused give me a milkshake because it was too complicated She gave me a coke instead I just got Bon Qui-Quied
by A Game Yo February 17, 2009
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a ghetto chick who works at king burger through the "out of the hood" program. shes pretty much a skinny white lady on meth who thinks shes black.
bon qui qui: dont interupt! RUDE!

bon qui qui: oh i will CUT you!! security! se-curity!
by bonquiquirox January 3, 2009
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a white lady who works at king burger who thinks she's ghetto
a bon qui qui says things like:

"girl i will CUT you"

"don't interrupt, RUDE"

"security, se-curity"

"welcome to king burger, where you can have it your way, but don't get crazy"
by fap=fabulous_and_pretty May 25, 2009
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