Pinup Girl Clothes : Punk Clothing : Rock A Billy Clothing : Retro Clothing : Pinup Boutique. Rockabilly Clothing. Rockabilly clothing is created in the designs popularized by the Rockabilly movement. The name comes from a subculture of the early 1950s. This subculture is now recognized as famous musical trail blazers. The term rockabilly describes the fusion of two types of music: rock and roll and country music referred to as hillbilly music during that time period. Rockabilly clothing emerged in the 1950s and was first made popular in the Southern USA. In 1956, rockabilly became a national phenomenon with the release of songs that were recorded by Elvis Presley, Johnny Cash and Carl Perkins that gained national attention. Rockabilly Clothing.