Answer:
In the 1950's a dance would be called a sockhop. A sockhop is when they take off their shoes and dance in there socks. usually the women (or girls) would wear poodle skirts and button down cardigans with saddle shoes. some women would wear preppy plaid skirts, or dresses. men would wear flannel suits in gray or any color of there choice, but usually very dull and not bright.
on the other hand if your asking about there hair women would wear it in either ponytails with a bump in the back. Usually either for short hair flipped in with curled bangs or with medium length (middle of the shoulder you could say) flipped up with straightened bangs, and hair above it pulled back into a bump. with long hair it would be pulled half up bump or not ( with the little girls and tweens its usually no bump, bumps were most common with female adults in the 50's) the rest of the hair was either wavy, crimped lightly , or straightened. men would wear their hair combed to the side and typically they ALWAYS USED A LOT of grease and comb all of there hair back giving it a shiny look. (for a demonstration of this look google pictures of James Dean;) also known as the "ladies man" actor etc.