Top definition
Used as an exclamation of pleasure, approval, elation, or victory.
by IAMSODOT March 11, 2004
Get the mug
Get a Yay mug for your boyfriend Callisto.
2
An exclamation that always needs to be louder. Most often used in conjunction with practicing cheers for a friends national competition.
RD: So now that you know the elements of a good cheer, lets hear one!
FS: *softly* yay
RD: Louder!
FS: *still softly* yay
RD: Louder!
FS: *again, softly* yay
RD: LOUDER!
FS: *Deep breath in, preparing for a loud cheer.* *Softly* yay
by serialman August 31, 2012
Get the mug
Get a yay mug for your cat Beatrix.
4
1. An expression of joy usually accompanied by raising both arms in the air; the higher, the more joyful.
Can also be used sarcastically.
by Elaine October 17, 2001
Get the mug
Get a YAY! mug for your sister Beatrix.
5
n;
Slang for Cocaine, popular in California's Bay Area.

Syn;
blow,coke,snow.
I'm so strung out from all the yay last night
by Bookworm February 02, 2005
Get the mug
Get a Yay mug for your friend Helena.
6
n;
Slang for Cocaine, popular in California's Bay Area.

Syn;
blow,coke,snow.
I'm so strung out from all the yay last night
by Bookworm February 02, 2005
Get the mug
Get a Yay mug for your dad Bob.
7
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
Get the mug
Get a Yay mug for your daughter-in-law Riley.