FURVERT!

animal_genitalia animal_penis belly_slapping_masturbation bodily_fluids cum cum_on_self ejaculation equid equine equine_genitalia equine_penis erection feathering feral flower fur genital_fluids genitals hands-free hooves horn male mammal masturbation mythological_creature mythological_equine mythology nature orgasm outside penile penile_masturbation penis plant quadruped side_view sky solo spots standing tail ultraviolet unicorn unicorn_horn