Top Definition
doing something crazy, joining whatever fun activity/event is being offered, short for "count me in", just saying YES,
friend #1: who's going skinny dipping with us tomorrow at Lulu's pool??
friend #2: Iiiiyynn, byob?
friend #3: Iiiiyynn, can I bring a friend?
friend #4: Only a female and if she's hot, lol. Iiiiyynn!!!

friend #1: we about to go Iiiiyynn!!! I'll bring the liquor! Hot females are welcome!
by CynCity February 11, 2010

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.

×