The term 'Dandy of a Dude' is a phrase used to describe someone who is fashionable and well-groomed. The crossword solution for this term is FOP, which stands for 'Foppish Gentleman'. This term is used to describe a man who is overly concerned with his appearance and follows the latest trends in fashion. FOP is an acronym for 'Foppish Gentleman', which is a term used to describe a man who is overly concerned with his appearance and follows the latest trends in fashion.