He would be struck dumb by the camera, his eyes all whites, his lower lip flapping in panic.

The hard-headed powrie shook its head vigorously, lips flapping.

I don't see how anyone couldl The breeze we feel tonight should be from their lips flapping!

The other, though, watched for only a few moments, then stood up straight and shook his head roughly, his lips flapping.

Thibbledorf shook his head to clear the dizziness, his lips flapping wildly.

The breeze we feel tonight should be from their lips flapping!

The ogre shook its head, its thick lips flapping noisily.

He fell apart, he was literally speechless at moments of confrontation, his lips flapping as soundlessly as those of a blowfish.

How else would a good newspaperman pick up (heaps of blowing dirt, endless flutter of statistics, huge ear with a pair of lips flapping loosely at it)?

Instead, his right hand mimicked someone's lips flapping up and down.