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2012 4_toes abs animal_genitalia anthro athletic balls biceps big_muscles big_penis biped bodily_fluids brown_body brown_skin chote_(tmnt)circumcised claws digitigrade dinosaur erection fangs feet genital_fluids genital_slit genitals grin humanoid_genitalia humanoid_penis leaking lying male muscular muscular_anthro muscular_male nude pecs penis pose precum prehistoric_species presenting reptile saurischian scales scalie smile solo spread_legs spreading teenage_mutant_ninja_turtles teeth thegreatmatsutzu theropod toe_claws toes tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex