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!!!
A string of noises emitted by retards when attempting to say "Hello".
A Homie: Yo yo yo, whaddup ma nigga.
Me: Shut the fuck up before I shoot you in the head (again).
A phrase used by white people when they absolutely need a smack in the face.
Tarquin: "Yo yo yo homie yo"
Dominic: "Jeeves, get the rifle and release the hounds."
a childs toy used for amusement in an up and down motion, capable of performing tricks
yo my homie bro, thinks are totally wack... have u seen my yo yo??
When you're trying to hold back a monster sized shit and it keeps pushing its way out; followed by you pulling it back in.
Dude you have got to pull over! I've got a serious yo-yo going here.