Rule 34 Dev - 5_fingers :3 abs anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro balls biceps big_muscles big_penis biped duo equine_genitalia equine_penis erection exclamation_point eyebrows fingers genitals head_tuft hug huge_muscles hugging_another hugging_penis hyper hyper_muscles larger_anthro larger_male licking male male/male mane medial_ring muscular muscular_male nude oral pecs penile penis penis_grab penis_lick quads sex simple_background size_difference smaller_anthro smaller_male standing surprise thick_penis tongue tongue_out tuft vein veiny_muscles veiny_penis white_background tkc2021 canid canine equid equine fox horse mammal 2009 black_and_white digital_drawing_(artwork) digital_media_(artwork) monochrome|6509933640