An updo is a hairstyle generally worn by women for special occasions such as weddings, proms and formal affairs, often with the assistance of pins and clips.
Hair braiding is the practice of weaving three groups of hair into a single strand. For thousands of years braiding hair has been part of human culture.
The D.A. (or duck's ass) was a hairstyle popular in the 1950. This hairdo contributed to the term greaser as the style required a substantial amount of gel.