ぽん太た郎ろう

noun

idiot; moron

Slang term for a foolish or stupid person; often used jokingly among friends or as a mild insult.

• あいつ、また遅ち刻こくしたよ。ほんとぽん太た郎ろうだな。

  That guy was late again. He's such an idiot.

• ぽん太た郎ろうみたいなこと言いうなよ。

  Don't say something so moronic.