gnashing

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gnash·ing

(nash'ing),
The grinding together of the teeth as a nonmasticatory function; sometimes associated with emotional tension.
See also: bruxism.

gnash·ing

(nash'ing)
The grinding together of the teeth as a nonmasticatory function; sometimes associated with emotional tension.
References in periodicals archive ?
As all other Magpie supporters gnash and wail over the black pudding this morning I hope they can spare a thought for my predicament.
1, gnash their teeth watching other kids play for the national championship.
Two more runs would score in that inning, leaving the tomahawk crowd to gnash its teeth rather than wave its choppers.