1. (verb) When someone comes up behind you and sticks their thumb or some other object in you butt. Not so forcefully as to cause penetration, but with enough force to squeeze your cheeks.
1. Man Kendyllran up behind me at practice and gave me a jo-jo with his stick.
By Vivi
Jo-jo
A namegiven to a person (usually a female) when his or her real name can not be remembered.
Person A: "I saw whats her name yesterday."
Person B: "Who?"
Person A: "You know, the brunette chick."
Person B: "Who?"
Person A: "Jo-Jo."
Person B: "Oh yeah, now I know who you're talkin about."