You could stand on your head for a longer period than that!

When they first met, he was standing on his head in a field.

If your friend would like to stand on his head, he is welcome.

If he hadn't stood on his head, this game would have been over in the first period.

You'd do it standing on your head, and when you're a free man again, you can make a movie about the experience.

All physical laws he knew were stood on their head.

It was as if she were standing on her head.

And if I'd told him to stand on his head he would have said yes, sir, just the same.

Ten years ago, he could have done it standing on his head.

"It must have out while I was standing on my head."