FURVERT!

anal anal_penetration anthro anthro_on_anthro biceps butt butt_grab dinosaur duo erection eyes_closed from_behind_position genitals hand_on_butt larathen male male/male male_penetrated male_penetrating male_penetrating_male markings muscular ornithischian overweight penetration penis prehistoric_species raised_tail reptile rexymagic saurischian scalie sex slightly_chubby stegosaurian stegosaurus tail tail_embrace tail_grab theropod thick_tail thyreophoran tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex