Big Boss spread his lips in a wide grin, showing his long canines.

The spy started toward Snudge, an ingratiating smile spreading his furrowed lips.

He spread his lips in a smile.

Yardoff turned slowly, an enigmatic smile spreading his sharp lips.

A smile that was not a smile but nearly a threat spread his lips just slightly.

His teeth showed in tigerish ferocity as he spread his lips to laugh.

A clownish smile spread his lips in a large nerveless arc.

"No," Etienne agreed, a slow smile spreading his lips.