The Big ImageBoard (TBIB) - 3:2 anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro crimsonmercury7192 dinosaur dromaeosaurid duo father father and child father and son humanoid genitalia incest (lore) male male/male male penetrated male penetrating male penetrating male mammal muscular muscular male nipples parent parent and child penetration penile penile penetration piptin reptile scalie sex shower shower sex size difference small dom big sub son son dom father sub son penetrating father theropod tyrannosaurid tyrannosaurus tyrannosaurus rex velociraptor