His lips were widened in a vicious grin.

Seeing that vicious grin, Belisarius found it impossible not to copy it.

Bellini's mouth turned up in a vicious grin, and his eyes narrowed like little pig slits.

He smiled, the vicious grin of the warrior tasting blood.

He paused, letting his face assume a vicious grin.

It was a white face, Darvel's, and it wore a vicious grin.

Big Heintz had a vicious grin on his face as they roared by.

Nicci turned back from the doorway and gave Richard a vicious grin.

I thought of Sonny, his vicious grin, and his knife.

"He won't make no fuss," Thaler said, with a vicious grin.