rule 34 absurd res anal anal sex anal tugging ankylosaurian ankylosaurid ankylosaurus anthro balls big balls bodily fluids comic cum cum in ass cum inside cum on penis dinosaur duo erection foreskin genital fluids genitals hi res huge balls hyper hyper balls hyper genitalia male malemale markings nigel the ankylosaurus character ornithischian penetration penis reptile saliva scalie screentone sharp teeth size difference sloppy seconds taboo tails copyright teeth terra the troodon character text theropod thyreophoran tongue troodon troodontid white crest artist 8773567