FURVERT!

3:4 abs animal_genitalia animal_penis anthro balls big_balls big_breasts big_muscles big_penis breasts duo equid equine equine_genitalia equine_penis erection genitals gynomorph horse huge_balls huge_muscles huge_penis human hyper hyper_genitalia hyper_muscles hyper_penis intersex larger_gynomorph larger_intersex macro male mammal medial_ring muscular muscular_gynomorph muscular_intersex nipples nobro penis size_difference smaller_male vein veiny_penis