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2022 anthro anus back_muscles backsack balls big_balls big_butt big_muscles big_penis bubble_butt butt dinosaur erection foreskin genitals glistening glistening_body glistening_butt hi_res huge_butt huge_muscles humanoid_genitalia humanoid_penis lens_flare looking_at_viewer looking_back looking_back_at_viewer lying male markings muscular muscular_anthro muscular_male non-mammal_balls nox_(sonicfox)nude nude_sunbathing on_front outdoor_nudity outside penis perineum prehistoric_species presenting presenting_hindquarters rakomadon rear_view reptile sand saurischian scales scalie smile solo sunbathing teeth theropod thick_thighs towel triceps tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex vein