A stupid smile, like look at me in my ruined thousand-dollar suit.

His stupid smile makes me want to punch somebody.

"I can see from the stupid smile on your face that you have discovered the wonders of qat."

He had a stupid smile on his face.

"Well, yes," Banks answered, putting a stupid smile on his own.

For Christ's sake, get that stupid smile off your face.

He was trying to stop his face from breaking into a broad stupid smile.

"We'd all sit around with stupid smiles on our faces," he said.

He had a can of beer in one hand and a stupid smile on his face.

As she hung up, that stupid smile stuck to her face like glue.