analanal_penetrationanimal_genitaliaanimal_penisballscanidcaninecanine_genitaliacanine_peniscaniscollardobermanndobie_pincher_(character)domestic_dogduoerectionferalferal_on_feralfurgenitalsheterochromiahybernationintraspeciesklaus_doberman_(character)knotlubemalemale/malemale_penetratedmale_penetratingmale_penetrating_malemammalpenetrationpenispinschersextonguetongue_outtoony