Top Definition
yiy
The opposite of yay.
Jack: Oh my god I think I am about to win the lottery, just 1 more number!
Jill: Oh really?
Jack: Yiy, I didnt win.
by MaFi0s0 December 16, 2006
yiy
an expression of happiness or a verb for having a good time. something that a yiyster says.
Come yiy with me you beautiful yiyster babe.
by K Milt December 20, 2006
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×