"He had a kind of a grin on his face that led me to believe this guy might know something," she said.

The last thing she saw was the flash of his grin.

She was just facing the other way so that he couldn't see the size of her grin.

And then there was just a hint of a grin.

Black found himself at the point of a grin but squeezed it down.

Then a curious sort of grin appeared on his face.

She gave me one of her grins that aren't smiles.

A tooth was missing in the center of his grin.

I could feel the curve of his grin against my shoulder.

The room was full of her aunt's mad red grin.