万ばん死しに値あたいする

expression, suru verb (irregular)

deserve to die ten thousand deaths; be the worst of the worst

Strong idiomatic condemnation; used to say someone's crime or wrongdoing is so severe that even dying many times over would not be enough punishment. Often used in dramatic or literary contexts.

• 彼かれの裏うら切ぎりは万ばん死しに値あたいする。

  His betrayal deserves ten thousand deaths.

• その非ひ道どうな行おこないは万ばん死しに値あたいする罪つみだ。

  That atrocious act is a crime worthy of dying ten thousand deaths.