grinding of the teeth; involuntary nocturnal tooth grinding; bruxism; grinding one's teeth out of anger or vexation; gnashing one's teeth; gritting one's teeth
to force something into someone's mouth (i.e. a gag); to wedge something into a space, filling it; to inflict (a blow); to deal (a hit); to pull (a joke); to say or do (something stupid); to try (a bluff)
