Rule 34 Dev - 1boy 2021 2d animated anus ass banjo-kazooie banjo_(banjo-kazooie) butt_jiggle flexing_butt gif jiggling loop male male_only mammal muscular muscular_male nintendo no_climax presenting presenting_anus presenting_hindquarters rareware short_playtime solo solo_male unknowngellwolf unknownwolf ursid video_games|6748815848