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1 definition by 50 Rider

 
1.
word used to describe a woman's vagina in a state of exitement, or loose large lips, that are easily showing through tight pants or spandex.
Mark: "Dude that girl is smugglin' a fuckin' yoyo."

John: "That fat chick has a YOYO"

Mark: "check out that yoyo!"
by 50 Rider August 17, 2006