The term 'Ball Belles' refers to a group of young women who were part of the 1950s and 1960s dance craze known as the Twist. The group was made up of four members, known as the DEBS, who performed choreographed dances to popular songs of the era. The Ball Belles were known for their high energy performances and their unique style of dress. They were also credited with helping to popularize the Twist and other dances of the era.