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First appearing in Smallville, episode 'Crusade', black kryptonite is capable of separating certain entities within individual organisms, e.g., splitting a person's good and evil sides. Formed by heating up green kryptonite.
by emma1111 June 11, 2006
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2
Wild irish rose mixed with red bull, monster, and coca-cola. CHEAPEST DRUNK EVER. and you'll be FUCKED UP!!! As good a high as weed. Kind of a cheap ass yaeger bomb. Taste good too!!!

Created by three fucked up UNCG students
I'm fucked up on black kryptonite right now!
by John Lynch January 22, 2006
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3
Crystal MDMA

if you see it in large amounts, it looks like a flower of crystal. Black in the middle, fading out toward the edge..
feeling cush with my black kryptonite
by Salami June 10, 2006
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