Of or relating to the upper or middle classes. This term is not generally used by people in the American middle class, and using it may cause the speaker to be identified with the working class. When it's used, it often describes something that is "middle class" or "upper class", with positive connotations.

when you're hungover as shit after a spending a night drunk as a skunk

A girl with high standards and doesn't sleep around, but rocks mad wheels.

Of or relating to the upper-middle or upper classes. This can be in reference to clothing, behavior, tastes, pedigree, and more.