An obscure insult for white people who think they are black, similar to oreo, coconut, and banana. Comes from the fact that polar bears are covered in white fur but have black skin underneath that.
2. (two kids playinghide and seek)
Guy 1: Dude, where were you. your like a polar bear I look for you for an hour.
Guy 2: Im not gunna tell you my hiding spot!