someone's jaw drops
someone's jaw drops open

I've seen the video, and my jaw drops to the floor.

When you tell someone you're 40 and their jaw drops to the floor it's a nice feeling.

As we walk round to the garden, my jaw drops open.

I'm laughing one minute, then my jaw drops the next.

And, honestly, my jaw drops every time I see it.

The more you read about what went on, the more the jaw drops.

And her jaw drops so low, you expect it to shatter.

The intensity of the surprise is associated with how much the jaw drops, but the mouth may not open at all in some cases.

His jaw drops open at the sight of her.

When you tell them you are a pilot, their jaw drops.

What comes in front widens your eyes & jaw drops by the beauty of it.

Lois’s jaw drops, and she just stands there stunned for a moment.

"Your jaw drops open when you see it in person, because it's history," he said

Her jaw drops and she sits down with a bang, then begins to weep.

The result is the best of both worlds: when seated, you feel cozy; glance up and your jaw drops.

You freeze, you go wide-eyed, and your jaw drops a little.

I look up, and my jaw drops.

As the last of the black cloth falls to the ground, the oberleutnants jaw drops open in amazement.

"Going into the Haunted Mansion as a kid, your jaw drops," he said.

Your jaw drops, your eyes pop and you can't suppress a chuckle.

His jaw drops in moronic disbelief, snaps shut again with fury.

When their jaw drops and a tear comes to their eyes, it makes you believe that they're not telling a story."

Thus, jaw drops and shape of the mouth assembles English letter, O.

Red's jaw drops as she witnesses the Dream World gradually vanishing before her eyes.

It's just so ludicrous that your jaw drops further with each melodramatic, illogical scene.