Rule 34 Dev - 2011 2boys anal anal_sex animal_penis anthro anthro_on_anthro ass avian balls_deep barely_visible_penis bear belly belly_overhang bent_over big_butt big_dom_small_sub bird canine canine_penis clothed clothing cum cum_inside cum_on_butt dialogue dirtymutt duo english_text erection fox gay gay_sex gull implied_anal larger_male male male/male male_only mammal masculine mature_male monochrome morbidly_obese obese outside overhanging_belly overweight pants_down penetration penis pier profanity seaside semi-erect sex sheath shirt_up side_view size_difference smaller_male spanish_text speech_bubble standing tattoo text thegaminggrizzly thought_bubble translated ursid|3359859072