In it's modern context, similar to redneck but posessing fewer shoes. Usually also have to drive at least one hour to the nearest Wallmart (downhill) and unlikely to have a fancy truck. see inbred & west virginia
little boy: Is that a redneck family daddy?
father: No son, they're not hauling their house behind their truck - they must be a hillbilly family!
A person from deep South with low IQ and poorly educated. Close cousin to the Redneck and Hick. Commonly found in the hills and and other locations in the South. Hillbillies commonly have southern accents. (Not all Southerners are hillbillies)
Onlooker 1: Hey, whats that ugly dumb fuck doing with that shotgun?
Onlooker 2: Oh, thats just a hillbilly.
Onlooker 1: Whats he doin with the gun dude?
Onlooker 2: Probs has it in for some black dude or one of those faggots.
Onlooker 1: Shit.
Onlooker 2: I heard that.
Just read the newspapers, watch TV, go online for a blog or talk to any political junkie. You're certain to find an example of the HillBilly team in action.