Rule 34 Dev - anal anal_fingering anthro balls erection fellatio fingering foreskin genitals glans group group_sex humanoid_genitalia humanoid_penis male male/male male_penetrated male_penetrating oral orgy penetration penile penis retracted_foreskin rimming sex slurping speech_bubble nudog canid canine canis domestic_dog mammal 2000 monochrome|19002103855