Fancy Dan of a Dresser is a term used to describe a person who is highly skilled in the art of dressmaking. The term is derived from the three-letter acronym FOP, which stands for 'Fashionable Outfit Professional'. This person is someone who has an eye for detail and is able to create beautiful garments with precision and skill. They are often sought after by fashion designers and clothing companies for their expertise in creating unique and stylish pieces.