The Big ImageBoard (TBIB) - absurd res age difference anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro black and white canid canine canis comic dialogue domestic dog duo english text erection facial hair foreskin genitals grandchild (lore) grandfather (lore) grandfather and grandchild (lore) grandfather and grandson (lore) grandparent (lore) grandparent and grandchild (lore) grandson (lore) hi res incest (lore) lewd latte male male/male male penetrated male penetrating male penetrating male mammal mature male monochrome motion lines mouse murid murine nipples older male penetration penile penile penetration penis profanity rodent sex spread legs spreading text younger male younger penetrated