All he could think of at the moment was 'Superman' but knew that wouldn't go over.
I was in a bar with a bunch of liberals. Kerry got stuck on that word, something stem cell research is supposed to be able to cure. He was gesticulating upward near his head, and people began to groan.
I shouted, "A HEAD PROBLEM!"
After all, he wouldn't want anyone to associate the term "Superman" with anyone other than himself.