make someone's jaw drop
To cause someone to be very surprised or alarmed.
The news that I'm pregnant after so many tries made my husband's jaw drop.
noun
One of the bones, usually bearing teeth, which form the framework of the mouth.
The part of the face below the mouth.
His jaw dropped in amazement.
I'm up and jaws are on the floor Lovers in the bathroom and a line outside the door
Anything resembling the jaw (sense 1) of an animal in form or action; the mouth or way of entrance.
the jaws of a pass; the jaws of darkness; the jaws of death.
A notch or opening.
A notched or forked part, adapted for holding an object in place.
the jaw of a railway-car pedestal.
verb
To assail or abuse by scolding.
1933, Ethel Lina White, The Spiral Staircase (Some Must Watch), Chapter 4, http://gutenberg.net.au/ebooks03/0300931.txt He built the Summit, so as to have no neighbours. And Lady Warren couldn't abide It. She was always jawing him about it, and they had one awful quarrel, in his study.
To scold; to clamor.
[…] he waked him, which put him in a main high passion, and he swore woundily at the lieutenant, and called him lousy Scotch son of a whore […], and swab, and lubber, whereby the lieutenant returned the salute, and they jawed together fore and aft a good spell, till at last the captain turned out, and, laying hold of a rattan, came athwart Mr. Bowling's quarter: whereby he told the captain that, if he was not his commander, he would heave him overboard […]
To talk; to converse.
Today the beastly boat is level at last and the sun’s out and we have all been jawing about what to do.
(of a ball) To stick in the jaws of a pocket.
verb
To pour or throw out.
Bletherum bore her to the vestry, Jaw'd some water in her face; […]
Nae need to jaw watter on a droun'd moose.
To splash; to surge.
'Twas freezin', thowin', rainin', snawin', In souple turns; While sheughs an' deep fur-drains were jawin' To spate the burns.
... a burn "whiles jawin' like a sea."