Rule 34 Dev - anthro anus balls big_butt biped body_hair butt chest_hair clothed clothing erection eyewear genitals glasses hair humanoid_genitalia humanoid_penis legwear looking_back male mature_anthro mature_male muscular muscular_anthro muscular_male partially_clothed penis perineum simple_background solo stockings tail tail_anus teacher trunk tusks chumbasket hysterium elephant elephantid mammal proboscidean 2017|6270948215