Job 16:9

“He teareth me in his wrath, who hateth me: he gnasheth upon me with his teeth; mine enemy sharpeneth his eyes upon me.”

Psalms 35:16

“With hypocritical mockers in feasts, they gnashed upon me with their teeth.”

Psalms 112:10

“The wicked shall see it, and be grieved; he shall gnash with his teeth, and melt away: the desire of the wicked shall pe...”