abs anthro barbs biceps big_penis building city claws cock_vore destruction erection forked_tongue hemipenes hole huge_penis hyper hyper_penis lol_comments macro male micro monochrome multi_cock muscles naga nipples nude pecs penis pose reptile scales scalie sheath size_difference sketch skin slit snake tongue tongue_out urethral urethral_penetration vein vore what_has_science_done