FURVERT!

abs anatomically_correct animal_genitalia animal_penis anthro balls biceps big_muscles biped casual_nudity equid equine equine_genitalia equine_penis eyes_closed flaccid fur genitals greyscale hair hands_behind_head horse male mammal monochrome muscular muscular_anthro muscular_male navel nipples nude pecs penis pose raised_arm sheath shower sketch solo spots standing sudonym thick_penis water wet