In the late 1800s, waitresses at the Harvey House chain of restaurants at railroad stops across the American West employed a cup code. One server would ask customers about their preferred beverages, then briskly arrange their cups on the table...
blue hair n.— «And the waitresses. I imagine some of them have been here for decades, and probably dispense as much attitude and opinion as they do iced tea and iceberg lettuce salads. In the restaurant business they’re affectionately known as...
happy-clappy adj.— «And they have those happy-clappy waiters and waitresses who seem to love to sing birthday cheer, but appear to know next to nothing about the menu.» —“Olive Garden no delight” The Pantagraph (Bloomington, Illinois) Dec. 14, 1990...

