look up any word, like yeet:
 
1.
A wonderful, extremely kind person who always helps others in need and has your back. This person's inner beauty shines radiantly from within.
Some guy: "Oh crap, I broke my arm!"

Yaye: "I'll save you!"
by *Djibouti* November 08, 2013
 
2.
A typo by someone who is too excited and hits the "e" key while going for the "!" key by mistake.
I got $25 for christmas! yaye!
by Demono January 11, 2004