Where does the term jerk come from?

The term "jerk" originally comes from the Spanish Word "jerquear," which means to dry meat by exposing it to the sun or smoke, specifically referring to the preparation of jerky. Over time, the term evolved in English to denote someone who is considered unpleasant, rude, or annoying. The usage of "jerk" as a derogatory term for a person gained popularity in the mid-20th century, particularly in American slang. Today, it commonly describes someone who behaves selfishly or inconsiderately.