The Big ImageBoard (TBIB) - 2023 absurd res anal anal fingering anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro athletic athletic anthro athletic male balls biped black body black fur brown body brown fur canid canine canis clothing countershade fur countershade torso countershading digital media (artwork) domestic dog duo fingering fingering partner fingerless gloves footwear fur genitals glans gloves great dane handwear hi res humanoid genitalia humanoid penis implied oral larger male larger on bottom lying male male/male male on bottom male on top male penetrated male penetrating male penetrating male mammal mastiff masturbation molosser mostly nude anthro mostly nude male multicolored body multicolored fur on back on bottom on top penetration penile penile masturbation penis pink glans pit bull plantigrade pngx (artist) sex shirt shoes size difference small dom big sub smaller male smaller on top smaller penetrated tank top topwear white balls white body white fur white penis