South Park Progressive

Someone who's incredibly edgy for the reactions they get but is actually progressive and accepting on the inside... when you get to know them. This is in the same vein about how the creators of South Park are very liberal but use derogatory humor to express their views and get a reaction.

Friend 1: "Did Joey seriously make a 9/11 joke then make an explosion noise?"
Friend 2: "Ya, but he's a South Park progressive. He likes to be offensive but actually has very liberal views despite his humor."