Top Definition
A beautiful, young, and pretty girl who thinks highly of herself. Shes cool though once you get to know her but otherwise she can be a b****. She is often depicted of as a whore in Greek and Latin mythology. Sikke shes Chinese (Chink). You can also often buy her at H-Mart or any other Asian market (ask for yanyan). Either way a yuyan is someone you should get to know because she claims to not treat people as options.
Hey, that girl is being a real yuyan.
Did you buy a yuyan at the market?
You look very yuyan today!
by BRyan777 April 17, 2012
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