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1.
The act of sneaking into your friends room when they arn't there and leaving wierd things on their computer.
Quix- present tence
Im going to go look up penis pumps on ebay on my friends computer and leave it up. Im going to quix him.

Quixed- past tence
My friend searched for animal porn on google and left it up. That bastard quixed me.
by Dragon_mesiah April 10, 2006
 
2.
fake, joking, crazy,
Hey Tony did you show Richard your new quix id?
by Cole89 February 07, 2010