Top Definition
(interj.) said when expressing happiness!
i got a 100 on my test. YAYNESS!
by jonny December 03, 2002
Perpetual serendipity. Happens repetitively by habitual coincidence.
Enjoy the yayness of every day life!
by Ravenlee May 30, 2008
Used in the same way as yay but it is better
yayness i'm so cool
by Chariblo December 10, 2003
A word that my best friend Katie says. :) Yayness for katie!
Adapted from a conversation with the ever pretty Katie ;)
IfTimeStodStil: yayness!
by Ben January 04, 2005

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