Describing something as being against a stereotype that has been attributed to your ethnicity, almost as if the stereotype in question was a true and vital part of your culture.
Jarquikas - "Hey man, wanna' go grab some fried chicken?"
Drontorius - "Nah nigga'. I don't even like chicken."
Flabquashio - "That ain't right! You is unethnical."
Brodrikus - "Hello sir. Would you care for some Kool-Aid
Dontiquo - "Man why you be talkin' all clean and shit? That's unethnical. But yeah nigga' I want some Kool-Aid