Er, yes, and it describes an attitude rather than an economic class.* Now as an attitude with a bad reputation, it’s likely acquired connotations of class. But I think I’ve seen British fiction (Foyle’s War) apply it to an Aristocrat or someone approaching that class, and the one example of use on Wikipedia applies it to a “Sir”.
The obvious place describes it reasonably well.
Er, yes, and it describes an attitude rather than an economic class.* Now as an attitude with a bad reputation, it’s likely acquired connotations of class. But I think I’ve seen British fiction (Foyle’s War) apply it to an Aristocrat or someone approaching that class, and the one example of use on Wikipedia applies it to a “Sir”.
*Must...resist...giving...examples!