The Big ImageBoard (TBIB) - all fours anal anal penetration animal genitalia anthro backsack balls barbell piercing bdsm bed bedroom belly bent over black blindfold black body black fur blindfold blue eyes bodily fluids brown body brown fur brown hair butt canid canine canis chastity cage chastity device chat interface chatting claws clenched teeth collar computer keyboard computer monitor cracked wall cum cum inside cum on balls cum on butt cum on knot digital media (artwork) digitigrade dirty talk dobermann domestic dog dominant dominant male drawer duo emoticon english text fangs floor fully sheathed fur furniture genital fluids genitals hair harness hi res holding leash holding object inside knot knotting leash leash pull leashed collar leg tuft looking back magenta pawpads male male/male male penetrated male penetrating male penetrating male mammal messy room muscular muscular male nipple piercing nipples nude on bed one night stand open mouth penetration photo piercing pillow pinscher profile raised leg reverse doggystyle sex sheath size difference slim male subject (artist) submissive submissive male tan belly teeth text toe claws tuft typing white fingertips wood wood floor zwoosh