What's on your mug?

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

The act of ejaculating in to one's hand, throwing it down in to another person's face as if releasing a yo-yo and slapping them in an upward direction as if pulling the yo-yo back.

Person 1: Dude, how did your date go? Person 2: It was so awesome! Person 1: you get any action? Person 2: HELL YEAH!!! I Yo-Yo'd all over her man!!!

By Jacobsa1029

The act of raising and lowering one's testicles without touching them. Often, the penis is drawn to one side to provide the spectator with a better view.

Look at Dan showing off his yo-yo skills! He's not even touching his balls!

By shilshulbalagan

a male human's primary genitalia

My yo-yo was bulging against my pants as I saw Sarah undress.

By Tereth

A toy used for entertainment with 2 rotational disks.

I am playing with my yo-yo,It spins!

By Andrew Ta