"Just keep throwing that ball at your stupid son's head or he'll be crying all day."

When he spoke his tone was that used by a father to a rather stupid son.

How disappointed your father must be, to have such a worthless, stupid son.

He said, I've got to take his stupid son with me.

The same money I would have paid to get back one of my stupid sons!

That woman with the fancy eyeglasses and the stupid sons.

One son normal and stupid, one flat as a shadow.