metacynic
One who is cynical about cynicism.
Person 1: "He's trying so hard to be 'above' modern society, it's ridiculous. He thinks society is so enraptured with its own self that it is losing its identity - but the guy should seriously just get over himself."
Person 2: "Dude, you're such a metacynic."
Person 2: "Dude, you're such a metacynic."