FURVERT!

amidae anthro balls blood bodily_fluids butt ceratopsian ceratopsid chasmosaurine claws dinosaur duo erection fight genitals gore gore_focus humanoid_genitalia humanoid_penis male marginocephalian ornithischian penis prehistoric_species reptile saurischian scalie stab teeth theropod triceratops tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex vein veiny_penis white_balls