[garbanzo]

Not Our Kind Dear : typically a favored phrase of the old WASP hierarchy regarding people a bit lower on the social register with whom it wasn’t worth associating.

[lentulusgracchus]

Thanks for clearing that up. I'd heard of that expression ..... also given by Paul Fussell, I think, in Class, as "U" and "Non-U" ("Us" and "Not-Us"). But I didn't know the abbreviation. Thanx.