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2013 abs anthro athletic balls biceps big_muscles biped brown_background brown_body brown_skin bulge clothed clothing dinosaur erection fangs fist foreskin front_view genitals green_background grin hairless half-erect hi_res humanoid_genitalia humanoid_penis male muscular muscular_anthro muscular_male naughty_face non-mammal_balls nude pecs penis pose prehistoric_species presenting rape_face red_eyes reptile retracted_foreskin saurischian scales scalie sharp_teeth simple_background smile solo standing tail teeth theropod topless tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex xxzerkkandragonxx