FURVERT!

anus anus_focus balls big_balls big_butt butt butt_focus covertcanine dinosaur feral gaping gaping_anus genitals hi_res huge_balls huge_butt looking_back male perineum prehistoric_species presenting presenting_anus presenting_hindquarters puffy_anus raised_tail rear_view reptile saurischian scalie sketch solo tail theropod tongue tongue_out tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex