Hillbilly-threesome Share definition Flag Pertaining to family (mainly actual cousins) who have sex with eachother and a horse. Josie and her cousin just got done having a hillbilly-threesome with her horse Ed. Hillbilly-threesome by Filmore Beavers August 2, 2010 0 0 Get merch Get the Hillbilly-threesome mug. Buy Now — $32.95 See more merch
