The Big ImageBoard (TBIB) - against wall anal anal penetration anthro arms around neck balls balls outline barbell biceps big balls big dom small sub big penis blue body blue scales bodily fluids bulge clothing collared lizard crouching cum cum in ass cum inside cum on balls cum on chest cum on penis deltoids duo ejaculation exercise eyes closed genital fluids genital outline genitals green eyes grin gym hamstrings hand on chest hands-free huge penis hybrid imminent sex killioma larger anthro larger male larger on top lizard locker locker room male male/male male penetrated male penetrating male penetrating male monroe lehner muscular muscular male one eye closed open mouth paws penetration penis penis outline pit viper rattle (anatomy) rattlesnake reptile scales scalie sharp teeth size difference smaller male smile snake spotting squats striker striker (rm98) sweat teeth thick penis triceps two panel image underwear vein veiny muscles veiny penis viper weightlifting weights wink workout yellow body yellow scales