The Big ImageBoard (TBIB) - anal anal penetration bad batter (off) balls big dom small sub bottomwear claws clothed clothing digital media (artwork) dominant duo erection from behind position genitals greyscale human humanoid genitalia humanoid penis large penetration male male/male male penetrated male penetrating male penetrating male mammal mask monochrome monster not furry off (game) pants partially clothed penetration penile spines penis penis size difference reverse stand and carry position saltyqtip sex size difference spread legs spreading standing standing sex torn bottomwear torn clothing torn pants zacharie (off)