Rule 34 Dev - animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ball_fondling balls big_penis dialogue equine_genitalia equine_penis erection eyes_closed fellatio fondling genitals grin group hair intraspecies male male/male male_penetrated male_penetrating male_penetrating_male masturbation muscular muscular_male nipples nude oral pecs penetration penile penis sex smile speech_bubble standing sucking text misterstallion european_mythology greek_mythology mythology pegasus_(misterstallion) poseidon equid equine hippocampus horse mammal marine 4:5 comic english_text hi_res url|14345930795