a poonani pothead who thinks he's cool but he's not.
"Oh fuck.. here comes Jayyy. HIDE THE POT!"
by MarcosThePimP December 27, 2006
1 more definition
JAYYY is like saying JK without the K. It means Just Kidding, but funnier and shorter.
I WOULDNT hit that bro, she's been around... JAYYY
by Luipingon January 20, 2015