Fashion FAD is a term used to describe a popular style or practice that is usually short-lived. It is often associated with the latest trends in clothing, accessories, makeup, hairstyles, and lifestyle choices. A fashion FAD can be seen as a reflection of the times and can be an indicator of what is popular at the moment. The term 'TREND' is often used interchangeably with 'FAD' to refer to a fashion TREND that is currently popular.