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.
A negro repellent. This might include an activity that involves thought process (school, reading) or physical labour (picking cotton), or making some kind of personal sacrifice (paying child support). Also, any kind of music played loudly in the vicinity of yard apes that does not rely on a "jungle beat". i.e. heavy metal or country
"Jamal done flunked hiz ass outta histree class agayun'. Dem bookz beez purenigger kryptonite 'n' sheeit."
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!!!
To be in the vicinity or of sight of something that makes dick become powerless and limp. Superman loses all his powers near Kryptonite. His body and strength goes limp around it. Like superman, a dick in proximity or sight of dick kryptonite becomes powerless and weak.