noun
naughty boy; mischievous boy; little rascal; brat
A yojijukugo describing a boy who is playfully mischievous or naughty, often with a slightly affectionate or exasperated tone.
近所の腕白小僧たちが公園で遊んでいる。
The neighborhood's mischievous boys are playing in the park.
あの腕白小僧はまたいたずらをした。
That little rascal has been up to mischief again.