the.com/restroom
A room that promises rest and delivers everything but.
means A public room with toilets and sinks, named so politely it forgets to mention either.
from Coined in early 1900s America, when buildings added rooms for women to literally rest and freshen up, then the euphemism spread to cover plumbing everyone was too genteel to name.
Resting optionalFew people have ever rested there
Lounge eraEarly ones had couches and attendants
Euphemism stackBathroom, washroom, lavatory all dodge the truth