Definition of "twangster"

The brooding, black-clad singer bridged a stark divide that emerged in the recording industry in the 1950s, as post-Elvis pop singers diverged into two camps and audiences aligned themselves with either the sideburned rebels of rock 'n' roll or the cowboy-hatted twangsters of country music.

2012, Christoper Zara, chapter 1, in Tortured Artists: From Picasso and Monroe to Warhol and Winehouse, the Twisted Secrets of the World's Most Creative Minds, part 1, page 28