FURVERT!

2017 all_fours animal_genitalia animal_penis anthro anus balls blush bodily_fluids brown_body brown_fur butt canid canine canine_genitalia canine_penis canis clenched_teeth domestic_dog duo ejaculation embarrassed erection eyes_closed fellatio frostshin fur genitals green_body green_scales holding_tail implied_orgasm knot lizard male male/male male_penetrating mammal nude oral oral_on_backwards_penis penetration penile penis penis_backwards raised_tail reptile scales scalie sex shaking simple_background tail teeth trembling