The Big ImageBoard (TBIB) - abdominal bulge ambiguous gender ambiguous penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro barely visible genitalia barely visible penis bed bodily fluids canid canine canis cum cum inside curatrix danomil detailed background digital media (artwork) digitigrade domestic dog dominant duo furniture genital fluids genitals german shepherd herding dog inside looking at another looking at partner male male/ambiguous male penetrating mammal nate (nate17) on bed open mouth pastoral dog penetration penis sex shaded size difference smile standing teeth tongue wolf