Rule 34 Dev - 2boys all_fours anthro anus ass bald balls boots bronto_thunder brontosaurus closed_eyes clothed clothing dat_ass dinosaucers dinosaur erection footwear foreskin half-dressed ichthyosaurus ichy looking_back male_only manly muscles narse open_mouth penis presenting_hindquarters sharp_teeth smile spread_legs uncut veiny veiny_penis|1855934672