yay!!

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

yay!!

a word used when really happy, or faking really happy
raising both arms in the air and waving them back and forth.
YAAAAAAAAAAAAAAY!!
usually used in conjuntion with the words: sweet, totally, dude, and awesome.

yay!! our fashion project is totally awesome!! yaaaaaaaaaaaaaaaaaaaay!!
haha, i love sara.

by madilyn September 24, 2008

Yay Yay

The word Yay is derived from the spanish word llello (pronouced yay-yo) which is slang for la cocaína, or cocaine.

WE GON' GET SOME YAY YAY MY NIGGAS

by LiDsY July 29, 2013

YAY YAY

A sign of great approval. Ice cube status.

Q: Wanna eat some bagel bites?
A: YAY YAY!

by Big Bub Yay Yay November 14, 2009

Yai Yai

Grandmother

"Hey, we're heading over to my yai yai's house for dinner; do you want to come?"
"Sure!"

by Squiintz3 December 30, 2012

yai yai

signature steve vai guitar sound.
made by playing with a special pedal and precise timing.

person A: "That Vai show was bitchin'!"
person B: "Did he do the Yai Yai?"
person A: "Fuck yea! He was like 'wah wah wah YAI YAI!!!' And then Billy Sheehan played a sick bass solo."

by D999 September 4, 2005

Yay Yay

Something said out of celebration.

The girl screamed Yay Yay when she pushed her brother into a wall.

by Johnno Moto May 28, 2008