mealy-mouthed

Malcolm Tucker, a foul-mouthed political advisor, was the role that turned Capaldi into a household name in Britain.

Foul-mouthed chauvinist who flirted with chicks in a hot tub or celebrity-friendly sociopolitical satirist?

Playing the foul-mouthed bad character will become as predictable and counter-intuitive as a playing a thousand Joeys.

However, these “potty-mouthed princesses” curse like proverbial sailors to prove a point.

And I just saw him as I was leaving and gave him the thumbs-up and he mouthed, “Thank you,” and that was it.

The musician assumed a position of open-mouthed wonder, gazing steadily at the visitor.

"But I must see her," Eloise said, alighting first and brushing past him, while he stood open-mouthed with surprise.

Riggleton looked at him with open-mouthed wonder, evidently staggered that Faversham was taking the matter so calmly.

The sight did wonders to clear his head; he stood open-mouthed, with his heart beating.

“Your husband will not let you; he would not like it,” I said in my haste, while Mrs. Dyke sat in open-mouthed amazement.