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1.
A word of happyness. used often online (and alot on b3ta.com)
person 1:I just completed Burnout3
person 2:Woo yay
by Cloud November 03, 2004
26 8
 
2.
Expression of joy, elation, particularly related to istock earnings from downloaded photos
WOOOOOOOO-YAAAAAAAAY
i hit $300!
by Fastfingers April 23, 2003
14 5
 
3.
More often lowercase, woo yay is used as an apathetic response to someone's irrational exuberance.

Also known as "Here's a quarter, call someone who cares."
Little Bro: OMG LOOK I GOT LEVEL 9 IN FF7!
Big Bro: woo yay.
by pinano July 14, 2004
2 0
 
4.
A shout of joy. Pretty much the same as w00t!. Usually used online.
I finally beat that video game! Woo Yay!
by N8NESS December 14, 2003
3 1
 
5.
a deep and meaningfull expression of delight and pure happiness, can also be used for an agreement to a proposal
i won! wooyay!
or wooyay! that sounds great
by lady whiplash August 01, 2003
2 3