SWPL

Waiting for an hour for breakfast and probably a few boozy beverages is seen as a luxury and habit of upper-middle-class and wealthy white people.

From the Denver Post.

Guilty as charged.

This time and money is available, in part, because this demographic is foregoing church attendance on Sunday mornings. Church goers opt instead for a dry, early afternoon Sunday dinner, either at home or at a less tony "family style" restaurant.

The blog that made the title acronym a part of Internet slang is here.