The Big ImageBoard (TBIB) - 2019 age difference animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro belly bernese mountain dog bud gutman canid canine canis clothed clothing dialogue digital media (artwork) domestic dog duo english text erection father (lore) father and child (lore) father and son (lore) felix gutman fellatio genitals hi res humanoid hands incest (lore) izvy (artist) knot male male/male male penetrated male penetrating male penetrating male mammal mixed breed molosser mountain dog older male open mouth oral oral penetration overweight overweight anthro overweight male parent (lore) parent and child (lore) parent and son (lore) penetration penile penile penetration penis sex simple background son (lore) swiss mountain dog text topwear younger male