Jock is a term that is used to describe someone who is an ATHLETE, a SCOT, or a professional. An ATHLETE is someone who participates in sports and physical activities, while a SCOT is someone from Scotland. A professional is someone who has a high level of skill or expertise in a particular field. Jock is a term that is often used to describe someone who is passionate about sports and physical activities, as well as someone who is highly skilled in their chosen profession.