For Spooner, maybe Scottish legislation might be a cause of speech impediment

Usage examples of lockjaw.

There can be two kinds of lockjaw, the accidentally-contracted and the purposely-contracted.

How do they know there isn't a weirdo illegal Roach on board just sitting here getting lockjaw and about to take a spasm?

I hear a wild, hysterical laugh, a room full of lockjaw, and the body that was black glows like phosphorus.

Behind my words are all those grinning, leering, skulking skulls, some dead and grinning a long time, some grinning as if they had lockjaw, some grinning with the grimace of a grin, the foretaste and aftermath of what is always going on.

I am not reckless enough to try to pronounce it when I am awake, but I make a stagger at it in my dreams, and get up with the lockjaw in the morning.

And then the lockjaw closes down and nips off a couple of the last syllables--but they taste good.

Then the wound had festered, and there were signs of the beginning of lockjaw when Harran had finally been called in.

He had had to run like a madman down to the flats by the river for the plant to make the lockjaw potion.

The man's head was lolling to one side, an aftereffect of the lockjaw remedy.

Tongue-tied, lockjawed, he stared at her like a bird transfixed by a snake, hoping for some sign that it was all right, that he had done the right thing.

And the two adventurers felt a yearning for these shimmer-girls such as they had never felt for mortal woman, so that they could no more turn back than men wholly ensorcelled or stark lockjawed mad.

It was now possible to discern certain plainclothesmen, hard of eye, stern of visage who, lockjawed, strode through the crowds, superior and supremely confident.

Back thrusters engaged, he shook two lockjawed Hellcats from his legs and hopped himself over-a skirmish line of Odeons, twisting around as he landed to bring the suit's chest-mounted impact cannon into play.

She spoke in the chirpy, lockjawed accents of a young Katharine Hepburn.

Yes, that was the secret wish of the Charm Bracelets and their parents, to be not Midwesterners but Easterners, to affect their dress and lockjaw speech, to summer in Martha’s Vineyard, to say “back East” instead of “out East,” as though their time in Michigan represented only a brief sojourn away from home.