a mental hospital; insane asylum.
From POTUS To FLOTUS: A Full (White) House Of AcronymsThe faster we move, the more abbreviations and assorted acronyms we use, and when it comes to talking about the folks who reside at 1600 Pennsylvania Avenue—otherwise known as the White House—there are plenty of acronyms to choose from.
What Does 🌰 Chestnut Emoji Mean?The chestnut emoji is sometimes referred to as the raisin emoji because it is so often mistaken for one—especially on small screens and on digital platforms where the nut is very dark brown.
Origin of nut house
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for nut house
"Say, this island'll be a nut-house if this keeps up," Pete Murphy said irritably.Angel Island|Inez Haynes Gillmore