Top Definition
Someone who is officially considered a female, but it is in fact unclear due to extremely ugly facial features and flatness and rectangleness of the body (simply, a he-she)
-LOL, that guy has such long hair!
-No, I don't think its a guy; It's a Yuan Yu!
by T3h 3p1c Lulzor April 02, 2008
4 Words related to yuan yu

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