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 your teeth

to show you are angry or annoyed about something bad that you cannot do anything to stop His advisers are gnashing their teeth in frustration because he refuses to attack his opponent on foreign policy issues.
Usage notes: also used in the form gnashing of teeth: The first test-tube baby was born in 1978, to considerable gnashing of teeth.
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.