Rule 34 Dev - 2017 anthro anus ass balls big_butt cetacean green_eyes grin hi_res huge_butt invalid_tag looking_at_viewer looking_back male male_only mammal marine muscular muscular_male nude orca presenting presenting_anus presenting_hindquarters simple_background smile smug solo teeth thick_thighs tofudumps whale white_background|2677847232