Bruxism of bruxism. Clenching the teeth is generally displayed by humans and other animals as a display of anger, hostility or frustration. It is thought that in humans, clenching the teeth may be an evolutionary instinct to display teeth as weapons, thereby threatening a rival or a predator. The phrase "to grit one's teeth" is the grinding or clenching of the teeth in anger, or to accept a difficult or unpleasant situation and deal with it in a determined way. In the Bible there are several references to "gnashing of teeth" in both the Old Testament, and the New Testament, where
Grinding (gaming) in-game aspect which requires the player to engage in grinding. Grinding has led to some players programming scripts, bots, macros and other automation tools to perform the repetitive tasks. This is usually considered a form of hacking or an exploit by the game's developers, and will often times resort in a ban. Due to the controversial subject of grinding, this act is sometimes, but not always, frowned upon in the gaming community. Several answers have been suggested for the question of why players grind. A major motivating factor is the players' desire to pursue what appears to be the game's