yo does mean hello, no more than saying hi to someone; however saying yo yo, is more personable to someone i.e: compassion, meaningful, and with love.
by yoyopapi May 08, 2019
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The act of looking someone up and down, in either a creepy, rude, sexual or intimidating way.
Example 1
Grace: Omg did you see the look my ex’s new girlfriend just gave me as she walked past!?
Caitlyn: Omg yas! Girrrrrrl, you just got yo-yo’d

Example 2
Caitlyn: Do you know that guy? He’s giving me a creepy vibe.
Grace: Baby gurl he was yo-yo’ing the shit outta you!
by Alrawabiiiii October 08, 2021
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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 toy used for entertainment with 2 rotational disks.
I am playing with my yo-yo,It spins!
by Andrew Ta August 27, 2015
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useless idiot, any fucktard too stupid to be allowed to breed.

See "Social Justice Warrior".
Sam: You hear what Dave did today?

Tom: Yeah, he skipped work then went for coffee right across the street from the office.

Sam: yeah, that fucking yo-yo's lucky he didn't lose his job.
by Del Rambo May 04, 2019
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To appraise someone's appearance by looking then up and down.
"I've seen Chantelle over there, giving me the yo-yos"
by roscothepigeon January 15, 2020
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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 07, 2021
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