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1.
Adjective that describes something that is phat, dope, off the hook, etc.
If your buddy has a girl with a great, beautiful ass you could say:

"Yo dawg, that bitch's ass is illznay billznay!"
by B-DubZ February 28, 2008

Words related to illznay billznay

dope off the hook phat sweet ill immaculate nasty off the chain
 
2.
If something is off the chain or really great it is illznay billznay.
If your buddy has a girl with an incredible ass, you could say:

"Yo dawg, her ass is illznay billznay!"
by B-DubZ February 27, 2008