A liquid that, when ingested by a human being, will inject copious amounts of melanin into their skin.
This will transform them into a nigger. If they are already a nigger, they will become even more black.
Repeated consumption will result in the skin getting blacker, until a gallon is ingested, at which point you will turn into a black hole.
Person 1: Hey dude, I took a swig of Nig last night!
Person 2: Nigga, you're so black now it looks like you took 5 swigs of Nig!
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