1 definition by pleasekillme

(adj.) being so edgy, attractive, and clever that you're almost similar to Jay Kniffen. If one does, however, reach the Jay Kniffen level of radicalness, they will spontaneously explode due to how fucking rad they are. Exceptions include Jay Kniffen himself, he has already become used to being a radical motherfucker wit attitude.
"Jay Kniffen is so radical". "That thing you just did, it was radical."
by pleasekillme June 6, 2015
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