rule 34 2021 abs anthro anthro on anthro balls barazoku barely visible balls barely visible genitalia belly big belly big muscles blush ceratopsian cross popping vein dinosaur duo erection feathers flustered frex frown genitals gesture horn humanoid genitalia humanoid penis inside male malemale markings musclegut muscular muscular anthro muscular male narrowed eyes nipple piercing nipple ring nipples non mammal balls non mammal nipples nude obliques open mouth open smile ornithischian pecs penis piercing pointing reptile scales scalie shower showering side view smile standing story story in description teasing teeth theropod tongue triceratops trycer tyrannosaurid tyrannosaurus tyrannosaurus rex wanikami water wet wet body 5460002