The New 52 is a stupid idea that should have never happened.

What kind of stupid ideas have got into your head now?

I knew his coming after me was a stupid idea.

All of us told her it was a stupid idea.

We don't need any more stupid ideas about health in the world.

And it was a stupid idea because he would leave the money.

It was a stupid idea but nothing she said seemed to make any difference.

"About as simple and stupid an idea I have ever heard."

We wouldn't be here if he hadn't come up with this stupid idea.

Do you think I don't know what a stupid idea it is?