Grinding beans is an Internet buzzword which means "grinding the skin of the mouth", "full of talk", "chatter", etc. Some people use this word to describe too much or endless talking. Some people use this term to describe excessive or endless talking. This way of speaking often brings annoyance or impatience, so much so that it has been nicknamed "bean grinding".
The term "grinding beans" first originated in square dance culture. Because of the repetitive nature of the music in square dancing, dancers often add their own verbal expressions to the dance in order to make the steps more varied. Among them, there are those who often keep their mouths shut, and they are jokingly called "grinding beans" by the public. Slowly, the term spread and began to be widely used on social networks.
The term "grinding beans" can be used in real life to describe people who talk too much, too long, and are very long-winded. In the Internet, people often use this term to describe those long-winded articles or comments. In addition, "Bean grinding" has become an informal way of evaluating and blaming, and is widely used in community and online trolling culture. Of course, when using this term, we need to be moderately careful with the wording and avoid using unkind language to cause harm.