Oreo

or o·re·o

[ awr-ee-oh, ohr- ]
/ ˈɔr iˌoʊ, ˈoʊr- /

noun, plural O·re·os. Slang: Disparaging and Offensive.

a black person who is regarded as having adopted the attitudes, values, and behavior thought to be characteristic of middle-class white society, often at the expense of his or her own heritage.

Origin of Oreo

An Americanism dating back to 1965–70; from trademark name of a chocolate cookie with a white cream filling
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019