Or because he had to do something after looking so stupid?

He opened his eyes wide and tried to look stupid.

"I was the guy in the middle who looked really stupid."

But now we have to make up for it, or we'll look even more stupid.

Each of the men seemed afraid that any questions they might ask him would make them look stupid.

At least that way you only look stupid on one front.

"We were thinking this through, didn't want to look stupid, making a big deal out of nothing."

His total surprise made him look more stupid than ever.

Or she would look stupid for always trying to make it work out.

I must have looked stupid sitting with it on my back.