Rule 34 Dev - 2017 animal_genitalia animal_penis anthro anthro_on_feral anus balls big_balls big_penis black_hair blue_eyes close-up cock_vore cum cum_on_ground cum_on_penis duo equine equine_penis erection feral giant_male grass grey_skin grow growing hair hooves horse horsecock hyper hyper_balls hyper_genitalia hyper_penis kamelotnoah looking_back macro macro_male male male_only mammal medial_ring micro micro_in_penis micro_in_urethra micro_male micro_on_macro muscular penetration penis raised_tail red_eyes shrink shrinking size_difference snout sparky_(daveblack) spot standing thomas_(daveblack) urethral urethral_insertion urethral_penetration vein vore white_skin yaoi yellow_skin zoophilia|2706093144