fatback chopper Share definition Flag Cleaving the buttocks in twain. Similar to a danza slap right along the buttcrack. The bitch didn't like it in the ass so I had to teach her what's what with a Fatback Chopper. fatback chopper by BUNNe's Sister, BUNNe, and an honorable mention to Wotan July 28, 2008 0 0 Get merch Get the fatback chopper mug. Buy Now — $32.95 See more merch