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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when you are skateboarding and you do a trick and land so hard that it feels like your nuts stretch down like a yo yo and then come back up and hit you.
damn dude i did that ollie off that ledge and got served the yo yo.
by tangent87 May 28, 2004
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1.)A word some older people use to try to fit in with young people; 2.) the way some older people people say what's up;
When i was in my room with my friends my dad came in and said "yo yo yo wus poppin!"
by Nina Nickelson March 30, 2017
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A Yo Yo is a bitch. Plain and simple.
by Justin January 4, 2005
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When an addict purposely overdoses on opiates and has someone reverse the overdose with narcan.

Sometimes the opiate and narcan are administered at the same time.
Me and Joe was yo-yoing last night. What a rush.
by Rejjjj March 29, 2017
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goofy jerk on drugs or drunk (bob up & dwn when walking)
Hay yo yo, mr dunkin man come here! what chew say! Take dem hands out yo pockets,
now get on dah ground, yo have the right to shut up, if u speak it will be used by dah judge,

if u poor man state will buy yo mouth peace. those are man-dah ah rights ?????

Hay one more ting don't bend over, pick up bar of soap!.. yo know what isa saying??
by itichie_nocanpo August 27, 2006
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