They squirmed, kicked, flailed their sharp little fists, and gnashed their teeth; Harry spent ten whole minutes trying to squash a particularly fat one into a pot.
The Wicked Witch was so angry when she saw her black bees in little heaps like fine coal that she stamped her foot and tore her hair and gnashed her teeth.
He was swept along with the panic-stricken band, and when, shouting and gnashing his teeth with frenzy, he reached the quay at last, he saw at a glance why his great enterprise had failed.
Tyrion gnashed his teeth. A second mistake, fool, fool, fool of a dwarf. Keep your calm or you're doomed. " No. I beg your pardons, my lords. His lies angered me" .