It was Lee, leaning, slack-jawed, against a pillar and reading the Green Sheet.
Pillbot stared from the visible portion of Gault to slack-jawed Harper and back again, sweat splashing from his puffy face.
"Fill your belly," he said, grinning at the youth's slack-jawed expression.
He turned and fixed a cold, commanding eye upon the slack-jawed herders.
Hang up, some of you, and make wax for these slack-jawed sisters.
having the mouth open, esp. in surprise