FURVERT!

1ceberg anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus backsack balls biped butt equid equine equine_genitalia equine_penis erection genitals hair hi_res horse looking_back male mammal muscular muscular_anthro muscular_male penis perineum raised_tail simple_background smile solo tail white_background york