He used to gnash them at me; and when I had to ask him for money I didn't like it; but now I don't mind him a bit.
Coming back in the cars, I had a rencontre that makes me gnash my teeth yet.
But at times energy failed and one felt inclined to gnash one's teeth at the futility of it all.
He did so; Jeanne hearkened; and then it was Sweder's turn to gnash his teeth.
He was accustomed to gnash his teeth over the burden of taxation laid upon him.
They fall into a rage, and gnash with their teeth, as they do not dare openly to shout.
An' whin dey see li'l black Mose, dey all gnash dey teef an' grin 'ca'se it gettin' erlong toward dey-all's lunchtime.
All at once he put his hand on his sword, and gnash his teeth.
They are all grey, like ghosts; they no longer sing their beautiful tunes; they weep and wail and gnash their teeth.
A visit to the National Gallery of Berlin makes me gnash my teeth.
early 15c., variant of Middle English gnasten "to gnash the teeth" (c.1300), perhaps from Old Norse gnastan "a gnashing," of unknown origin, probably imitative. Cf. German knistern "to crackle." Related: Gnashed; gnashing.