Medical slang, but can be used anywhere: Means: You're on your own. Used in a hospital on the day of discharge as in the phrase "OOB,OTD, YOYO" : Out of Bed, Out the Door, You're on your own. Can be used by parents of colleged aged kids, or by someone breaking up with someone else. .

Yo-Yo: A term used to describe the sponging 10 - 14 year olds who roam around amusement arcades, accosting strangers for money. This is usually opened with the statement "Yo, yo, gimme fifty pee."
Yo-Yo's are usually sent packing with a little verbal assault (or physical assault - it's all good in this situation).

YOYO - "You're own your own." Often used when people ask Mom a particularly stupid question regarding her duties as cook, janitor, maid, chauffeur, legal adviser, boundary maintainer, dispute negotiator, personal no-deposit ATM, etc.

A) A greeting to friends that substitutes hi
B) A toy, usually a circular object on a string that people took too far and have tournaments over. Actually spelled yo-yo
C) A sarcastic expression of you trying to be ghetto

Stands for: Your only young once.

another name for a ghetto person who acts like a thug, dresses with clothing too big and listens to rap.

1.A new slang term for one who sucks male genitalia.
2. A fun toy