Coconut

Racial slur used to describe an Aboriginal or Torres Strait Islander person who, either has black or brown skin, or who identifies as an Aboriginal or Torres Strait Islander person in Australia; who acts assimilated and as if they have forgotten their traditional cultural heritage. Referring to dark outside and white on the inside.

Jeez that Jacinta is such a coconut, she might look like a blackfulla, but inside she is all white.