クソ野や郎ろう

noun

son of a bitch; piece of shit

Strong vulgar insult; used to express extreme anger or contempt toward someone. Highly derogatory.

• あのクソ野や郎ろう、また嘘うそをつきやがった。

  That son of a bitch lied again.

• クソ野や郎ろう！よくも騙だましたな！

  You piece of shit! How dare you deceive me!