I picked up a good-sized rock that fit nicely in my hand.

He spread the letter on a good-sized rock; thinking it might dry if given time.

At least six good-sized rocks sailed through the air.

Just as he said it, a good-sized rock came flying through the air and hit him right in the mouth.

He glanced over at Fredericks, who looked as though he'd just been struck on the head with a good-sized rock.

Someone had moved a few good-sized rocks here and there, as well.

He did not, however, ignore the good-sized rock that came winging his way.

He went back to where he'd climbed down from the shelf and found a good-sized rock.

When he got out to investigate, he found a good-sized rock on the hood of his car.