盗人猛々ぬすっとたけだけしい

expression, i-adjective

brazen-faced; audacious; shameless; impudent

Idiomatic expression describing someone who acts boldly or defiantly despite being clearly in the wrong, like a thief who shows no remorse. Often used in the phrase 盗人猛々しいとはこのことだ.

• 彼かれは自じ分ぶんのミスを棚たなに上あげて、他た人にんを責せめるなんて盗人猛々ぬすっとたけだけしい。

  He's so brazen-faced, blaming others while ignoring his own mistakes.

• 盗人猛々ぬすっとたけだけしいとはこのことだ。

  This is a perfect example of being audacious despite being in the wrong.