A slang euphemism used in polite 50s and 60s middle and upper class America, subtly referring to “Upper U. S.,” instead of saying the more crude “Up your ass!”
I can recall my mother leveling her coldest icy blue-eyed stare and uttering to someone she had deemed a jerk, “Well, Northern United States, buddy!”
by Dr Bunnygirl October 28, 2019