Battyfisher Share definition Flag A battyboy who "fishes" around the arsehole of his victim. Usually after a meal. Holmsie decided that after his curry, he would go battyfishing. He was a world-class battyfisher Battyfisher by MT2009 June 23, 2009 0 0 Get merch Get the Battyfisher mug. Buy Now — $32.95 See more merch