Booby hatch - Idioms by The Free Dictionary
Also found in: Dictionary
A derogatory slang term for a hospital for the mentally ill or unstable. If you keep saying crazy things like that, they're going to throw you in the booby hatch.
booby hatch (ˈbubi...)
n. a mental hospital. I was afraid they would send me to the booby hatch.
References in periodicals archive
I heard a story about this guy Tom who was running across the road at night with a pair of wire cutters in his hand (he was doing some illegal concrete pouring in the ditch) and the police saw him and thought that he had escaped from the booby hatch
across the street.
As pictured here, she is a lesbian and an expatriate from the local booby hatch