Dandy Fellows are a group of fashionable men who are known for their extravagant and flamboyant style. They are also referred to as FOPS, which is an acronym for 'Foppish Old-fashioned Person of Style'. The term was first used in the 17th century to describe men who were overly concerned with their appearance and clothing. Dandy Fellows are often seen as trendsetters and are known for their unique sense of fashion.