Both heads of the mutant broke into a ferocious grin.

He showed his teeth in a thin, ferocious grin then went on.

Suddenly he spun about wildly, a ferocious, toothy grin on his face.

The stranger was a small man, and behind his face place they could see a bright ferocious grin.

The blacksmith's son grinned a wide and ferocious grin.

He was rewarded with a ferocious grin before Torres bent back to her task.

He had the most ferocious grin when he attacked, arms flailing.

She gave him a ghost of her ferocious grin and went into the house.

I bared mine back at him in a ferocious grin.

"I'm counting on it," Ryan said, with a ferocious grin.