anthro anus big_butt bodily_fluids butt cum dinosaur egg female genital_fluids genitals hi_res human humanoid_genitalia hybrid inside internal justwhite larger_female larger_pred male mammal multiple_prey oviposition penetration pussy reptile scalie size_difference smaller_male smaller_prey solo spinosaurid spinosaurus theropod thick_thighs transformation unbirthing vaginal viollet_(justwhite) vore