A Montclair, NJ term. overly used by kids meaning really awesome, or totally radical.
"dude that show was the illsicknasty"
"yeah it was totally wicked!"
by Charlotte rox sox January 22, 2006

5 Words Related to ill sick nasty

the most illest happening on planet earth ever.
Oh shit son, that was ill sick nasty!

That new Apollo Sunshine CD is pretty ill sick nasty.

Could be used when the world is about to berak into peaces from a metor and superman, batman, and all the coolest super heroes distroy it together
by poophead2q3523432 February 11, 2006

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