悪あく童どう

noun

bad boy; naughty child; brat

Refers to a mischievous or ill-behaved boy, often with a slightly old-fashioned or literary tone. Can be used affectionately or critically depending on context.

• 近きん所じょの悪あく童どうたちがまた塀へいを越こえてきた。

  The neighborhood brats climbed over the fence again.

• 彼かれは子こ供どもの頃ころ、手てのつけられない悪あく童どうだったらしい。

  Apparently he was an uncontrollable bad boy when he was a child.