- a fashionable or hip person: Being the cool cat that I was in high school, I would often stop in at the vegan store for coffee on the way home.
- a person who is easygoing, casual, and calm: He was the most laid-back cool cat I ever met—he took everything in stride.
- an admirable or excellent person: An ACLU lawyer, drug reformer, and generally cool cat, she is seriously considering a bid for mayor.