gnash teeth

gnash (one's) teeth

To lash out in anger. The boss will definitely start gnashing his teeth once he hears about this printing mishap.
See also: gnash, teeth

gnash one's teeth

Fig. to grind or bite noisily with one's teeth. Bill clenched his fists and gnashed his teeth in anger. The wolf gnashed its teeth and chased after the deer.
See also: gnash, teeth

gnash one's teeth

Express a strong emotion, usually rage, as in When Jonah found out he was not going to be promoted, he gnashed his teeth. This expression is actually redundant, since gnash means "to strike the teeth together." Edmund Spenser used it in The Faerie Queene (1590): "And both did gnash their teeth." [Late 1500s]
See also: gnash, teeth
References in periodicals archive ?
It's too soon to gnash teeth over an uneven start that has sent them reeling into last place, and too early to surrender to any frustration building in the clubhouse.
Editors across the land gnash teeth and scratch heads, attempting fresh ways to reach readers, younger audiences, doing what they can to keep the business relevant in a busy, crazy world.