This song tells the story of homebody Billy "who built cars that never went nowhere" and ended up settling down with a girl from Mississippi. Asked during a Reddit AMA if he knew a real Billy to draw inspiration from, Hayes Carll
"That was just made up. I had a few phrases and rhymes that I loved and Scott Nolan and I just sat down with some ideas he had and we invented a character that fit them and a story for him to tell. It's a fun process when it works."