An expression (a French idiom actually = politeness always) a classy and cool person says whenever he/she has the right (in a certain context) to be rude but does not use this very right.
A: Hey, B, Mr. X is such a asshole when talking to you ! Why don't you just tell him to fuck off ?
B: Well... Toujours la politesse !
B: Well... Toujours la politesse !
by Urban_Lexicographer October 9, 2012