out group, n.All

Out-group (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠sure it is the real "in," and feeds its own collective ego on indignant talk about squares, Philistines and the blasted bourgeoisie.