gnasht

Example:Anger clenched his fists as he stormed off.

Definition:To form the hands into fists, often due to anger or frustration.

Example:His teeth ground together as he clenched his jaw.

Definition:To rub or move against something with force, especially when angry or worried.

Example:She chattered with her teeth after getting out into the cold.

Definition:To make intermittent, quick, and high-pitched sounds from small movements of the teeth, often in cold or fear.