Rule 34 Dev - anthro big_muscles black_body blush bodily_fluids breeding_mount drooling duo huge_muscles long_tongue male male_focus muscular muscular_anthro muscular_male open_mouth saliva size_difference solo tongue vein veiny_muscles wolfblack43 marvel eddie_brock horse_venom venom_(marvel) equid equine horse human mammal symbiote hi_res|21782202435