8
Cocaine, Snow, Blow, Sugar Booger, Yayo, White Girl, Coke
You gotta watch them bitches that wanna snort up all your yay.
by Angelo August 23, 2003
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9
A unit of length commonly applied in the study of caldera volcanoes. Approximated by 1/2 an arm span of a tall university professor.
The pyroclastic fall deposit here is about yay thick *holds arms out to show size*.
by Aegerine October 10, 2014
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The vengeful act of crapping on a lover's chest while they sleep.

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10
Simply, cocaine, from the shortening of the misspelling of the pronunciation of llello, the Spanish word for cocaine.
From "Hopeless" by Ludacris:

Then my eyes turn red,
The sky turns grey,
Children slingin' white in the hood,
We call it "YAY!"
by Lil Dre March 19, 2006
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11
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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12
Noun.

Expression of happiness.

Can be used as a verb.
Carlos - yay

Lucy - what are we yaying about
by MrDinkleberry August 23, 2006
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13
In the United Kingdom 'Yay' is most often used by young girls, to express hapiness at something, in a childlike way.

This seems to arise from the use of 'yay' by toddlers who cant say hooray properly.

Yay is often used to express delight at something in a childlike way.

It is rare to hear an adult in the U.K. saying this, unless they are talking to a baby or toddler.
It's christmas, Yay!
Yay, I won a prize!
Yay, Tellietubbies are on the T.V.
by Kai_76 February 18, 2008
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14
It's a Californian term for cocaine or freebase
"Yo my nigga! The yay leaving San Fierro, right?"
by MisterCeeJay June 22, 2006
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