The term "Yorkvillian" is a non-slang term that defines the people who live in Yorkville on the Upper East Side of Manhattan in New York City. When used by young, lower-class members of the Yorkville neighborhood to describe themselves, the term takes on a new meaning for both themselves and others.

To the person referring to themself as a "yorkvillain", the person is a street-wise, down, chill person who is familiar with both rap and graffiti.

On the contrary, however, the meaning of the word "yorkvillain" (or rather what it implies to those who hear someone addressing themself as such) changes and means the opposite. The person who uses "yorkvillain" to describe themself is anything but. They are usually of herb origin and have no formal education. Further, their knowledge of rap music is minimal and reflects their small brain size. Their freestyles use whack words and typical phrases and lack consistency in both content and flow.
ONE USING THE TERM ON THEMSELF: Yo man, I am such a yorkvillian, I am the dopest there ever was! Watch me freestyle now
by Marley June 15, 2006
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