Oreo cookie

Etymology
By analogy with the proprietary "Oreo Cookie" that is black on the outside and white on the inside, implying that certain black people are white at heart.

Noun

 * 1)  A black person that appears to the community to embody the social and cultural features of a white person
 * 2)  A threeway involving two black participants and one white participant between them
 * 1)  A threeway involving two black participants and one white participant between them
 * 1)  A threeway involving two black participants and one white participant between them
 * 1)  A threeway involving two black participants and one white participant between them