oreo

Short definition from Wiktionary

Noun

1. 1
   Alternative letter-case form of Oreo.
2. 2
   A cookie made of two wafers joined with a sugary filling, particularly a Nabisco cookie with two alkalized cocoa-powder wafers around a white creme filling.
3. 3
   A black person who has overly assimilated into white culture, a black race traitor.