The Big ImageBoard (TBIB) - ambiguous gender ambiguous penetrated anal animal genitalia ball suck bodily fluids collaborative collaborative fellatio collaborative sex dragon erection faceless character faceless male feathered dragon feathers fellatio feral genitals graphite (artwork) group hi res low-angle view male male/ambiguous male penetrating male penetrating ambiguous monochrome muscular muscular male oral oral penetration oral sandwich pencil (artwork) penetration penile penis raised tail rimming saliva saliva on anus saliva on balls saliva on penis sex size difference sucking traditional media (artwork) tugging unknown artist