Sometimes he gazed off down the road, chewing nervously on the sweet tips of the old grass growing around him.

Steel sat in silence for a moment, nervously chewing at his lips.

She dialed the phone, chewing nervously on her lower lip.

He nervously chewed the skin on the side of his thumb.

He found himself chewing nervously on something- and realized it was the diamond.

He pulled it away and chewed nervously at his lower lip.

She chewed nervously on a wild hank of her hair.

"Neither," the big man replied, nervously chewing at his lower lip.

His eyes were narrowed, and he chewed nervously on a fingernail.

The little boy was nervously chewing the sleeve of his shirt as he waited for the test to begin.