"Cool" or "chill" refers to a relaxed and easygoing attitude. People who are described as cool often remain calm under pressure and handle situations without stress. This demeanor can be appealing, making them enjoyable to be around. In popular culture, the term is often associated with music, fashion, and lifestyle choices that emphasize individuality and confidence. For example, skateboarding and surfing cultures often embody a chill vibe, promoting a laid-back approach to life.