Who's the naughty boy that broke the window?

That naughty child needs a good beating.

The naughty girl assumed an air of innocence.

I admit I've been naughty.

She got angry with the naughty boy.

I can't tolerate naughty children.

Even nudists often use euphemisms when referring to naughty parts.

It was naughty of Mary to pull the kitten's tail.

He was very naughty in his boyhood.

I was naughty.