abs animal_genitalia animal_penis anthro athletic athletic_male balls big_penis blush brown_body brown_eyes brown_hair chest_tuft equine_penis erection flared_penis genitals hair hand_on_penis holding_penis horn long_hair looking_at_viewer lying male medial_ring multicolored_body nipples nude on_back penis simple_background solo spots tan_body tuft two_tone_body picometer bovid bovine cattle highland_cattle mammal