the funny farm
noun [ S ] informal uk/ˈfʌn.i ˌfɑːm/ us/ˈfʌn.i ˌfɑːrm/
（幽默或冒犯性说法）精神病院，疯人院
sometimes used in a humorous or offensive way to refer to a hospital for mentally ill people
If things get much worse, they'll be taking me off to the funny farm. 假如情况恶化得厉害的话，我马上就会被人强行送到疯人院去。