The Big ImageBoard (TBIB) - <3 5 fingers all fours anal anal penetration anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro black nose blush bodily fluids brown body brown fur burk (benzo) canid canine canine penis canis claws collar domestic dog dripping duo erection eyes closed fingers fur genital fluids genitals german shepherd herding dog knot leash leash pull leg markings male male/male male penetrated male penetrating male penetrating male mammal markings multicolored body multicolored fur open mouth pastoral dog patrikthedog pawpads paws penetration penis sex signature socks (marking) teeth tongue tongue out