NorthPhillyBillies Share definition Flag People from North Philly that act like hillbillies. Ghetto, hanging clothes out the windows of the house, fighting in the streets - NorthPhillyBillies. NorthPhillyBillies by Medium Slice June 18, 2011 0 0 Get merch Get the NorthPhillyBillies mug. Buy Now — $32.95 See more merch