Ethnicity
Example:
Guy1: oh my gosh, that white guy is playing against a bunch of black guys!
Guy2: oh my gosh, the black guy is so white.
Guy3: oh my gosh, who gives a shit what ethnicity they are? Stop stereotyping.
Guy1: oh my gosh, that white guy is playing against a bunch of black guys!
Guy2: oh my gosh, the black guy is so white.
Guy3: oh my gosh, who gives a shit what ethnicity they are? Stop stereotyping.