物もの狂ぐるい

noun

insanity; madness; an insane person

Refers to a state of madness or a person who is insane. Often used in literary or dramatic contexts. Can be used metaphorically for extreme obsession.

• 彼かれはまるで物もの狂ぐるいのように叫さけび続つづけた。

  He kept screaming like a madman.

• その事じ件けんは彼