Rule 34 Dev - ambiguous_gender ambiguous_rimming_male animatronic anthro ass ass_up barry_the_platypus big_butt black_body black_sclera blue_body bodily_fluids dialogue duo face_in_ass faceless_character facesitting feet hi_res hiding huge_butt humanoid machine male mammal monotreme multicolored_body platypus plushtrapboyuwu presenting presenting_hindquarters purple_eyes raised_tail robot sitting_on_another size_difference speech_bubble sweat sweatdrop sweaty_butt sweaty_feet sweaty_legs sweaty_thighs tail text thick_thighs twitching two_tone_body wet wide_hips|8450352656