A young (typically white) male from suburbia that comes from a nice middle class family type environment and upbringing that dresses and acts like as though they are "hardcore" from the streets of South Central L.A. or Harlem. Fully versed in Ebonics, they most often use the word "Yo" to begin any sentence or greeting.

Note: It is unsure if a Yo Yo knows whether or not they are fooling anyone with their act. It is assumed if they do know, they continue with the act regardless.
"I pulled up to a red light beside a bunch of Yo Yo's in their Mom's Toyota Camry blasting some Tupac; I laughed."
by Seen Enough January 11, 2008
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Story, bud? You couldn't lend me a couple of yo-yos for a pint?
by Snake January 16, 2005
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a yo-yo is a phenomenom where you can say what ever you want to a girl, and within less than 5 minutes, that girl will come running back to you,like a yo-yo, with your chances of action increased exponentially. This is accompanied by making the motion of using a yo-yo, and saying 'yo-yo' under your breath
Me: you slut bag whore, you cunt scab licking AIDS infected bitch, you dirty pirate hooking bitch, you bull dike cock sucking hoe bag!
(girl runs away in tears)
(girl walks back in seductively)
Girl:heyyy, you wanna go upstairs?
Me:yo-yooo!
by iaaaaaaaaaaan January 5, 2007
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A term used to address a person of comically high idiocy and an even higher lack of sense. More scatterbrained than a clown, yet more class than a shmuck.
They forgot their credit card in the restaurant card sleeve? What a yo-yo.
by thug elsa May 13, 2019
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A yo-yo is an adjective describing a person who is either very stupid or ignorant.
“Yo did you see how Steven was acting yesterday? He’s such a yo-yo.”
by Young far out October 8, 2021
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A slang term for car. It is Cockney rhyming slang - short for Yo-Yo Ma, which rhymes with car.
Bridget: Hey Jeff, let's go for a cruise in the yo yo!

Jeff: Fair enough!
by technology212 February 25, 2010
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