Rule 34 Dev - 2017 anthro anus ass backsack balls big_balls big_butt butt_focus butt_pose digital_media_(artwork) digital_painting_(artwork) dinosaur inside looking_at_viewer looking_back lying male nude on_front presenting presenting_anus presenting_hindquarters puffy_anus raised_tail rear_view solo tal_rex theropod tyrannosaurus_rex|2850767680