Use the acronym POCs to describe Non-Whites. Prounounce the acronym properly. It comes out like "pawks" ("Pox"). Make sure to use phrases that make it sound like you are describing a plague when you talk about them using this word. Believe me, it makes them crazy, they correct you, insist upon proper pronunciation rules for acronyms, and discuss with them the rules of language where an acronym has a clear phonetic pronunciation.