Rule 34 Dev - abs all_fours animal_genitalia animal_genitalia_on_humanoid animal_penis anthro belly biceps big_biceps big_muscles big_penis black_hair brown_eyes centaur darkgem equine equine_penis equine_taur erection front_view hair horse horsecock horsecock_on_humanoid huge_cock huge_muscles humanoid hyper hyper_penis long_hair looking_at_viewer male male_only mammal muscular muscular_male nipples nude pecs penis pose solo standing taur teeth thick_penis|2550849048