grind one's teeth
The phrase "grind one’s teeth" refers to the act of pressing or rubbing one's upper and lower teeth together forcefully, often resulting in a scraping or grinding sound. This action typically occurs involuntarily due to stress, anxiety, frustration, or anger. It is commonly associated with clenching the jaw and is a manifestation of tension or emotional distress.
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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