The San Francisco-Oakland Bay Area
by E39 June 28, 2006
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1. When something is spectacularly fantastic!

2. Sarcasm when something overly unbelievable happens.
1. I'm going on vacation and I'm going to get tan! yay!!

2. I forgot my card in the ATM machine. yay!!
by yvonne March 12, 2003
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a word used not only to express happieness, but also in conjunction with hand symbols to express size.
-YAY! i won the lottery!

-hes about yay high *hold out hand*

-the box was yay wide by yay high
by berserker395 June 29, 2005
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Often used as an exclamation for joyous occasions. Also sometimes used as a slang term for "this" when describing an object or person.
Man: Did you see a man go by, about yay tall?
by Happpinesss June 5, 2010
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the illicit substance also known as cocaine
You can find me in St. Louie,
Where the gun play ring all day.
Some got jobs, and some sell yay.
Others just smoke and fuck all day.
by Nelly February 10, 2005
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1. Slang for Cocaine.
2. Slang for cocaine that is relatively cheaper than the real stuff because it has been cut into a much less pure form.
3. An expression of enthusiasm or joy, often meant to be facetious.
Yay, a bag of Daz!
by Illusion420 August 31, 2010
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