Wiktionary
have nots
n. The poor or underprivileged, contrasted to those who have possessions, power or wealth: the haves.
Wikipedia
Have Nots
The Have Nots are a Ska punk band from Boston, Massachusetts, consisting of Jon Cauztik (guitar, vocals), Matt Pruitt (guitar, vocals), Jameson Hollis (bass), and Steve Patton (drums).