melaninitis
Wanting to be darker skinned and/or black so much to the point where you lifestyle reflects that of the color which you want to be.

A disease where a white person wants to be black.
Person 1: "aye yall, check my new j's"

Person 2 to Person 3: "isn't he white?"

Person 3 to Person 2: "yeah. he's got a bad case of melaninitis."