What is when a guy calls you a catch?

When a guy calls you a catch, it means that he sees you as a wonderful person who possesses traits and qualities that make you a desirable partner. This could include things like intelligence, kindness, humor, attractiveness, and compatibility. Being called a catch is a compliment, and suggests that the person sees you as someone who would make a great romantic partner. It can also mean that he wants to pursue a serious relationship with you, and is interested in the potential of building a long-term connection. Overall, being called a catch is a positive sign, and should be taken as a compliment to your personality and character.