The Big ImageBoard (TBIB) - 2020 anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro back wings black body black eyebrows black fur black membrane black nose black scales blue eyes blush blush lines bodily fluids border collie breath button ears canid canine canis claws collie cum cum in ass cum inside curled tail cutaway dialogue digital drawing (artwork) digital media (artwork) directional arrow domestic dog dragon duo ejaculation ender dragon english text erection eyebrows floppy ears from behind position fur genital fluids genitals gojiteeth grey claws grey horn grey spikes handwritten text head spikes head tuft herding dog horn internal looking pleasured male male/male male anthro male penetrated male penetrating male penetrating male mammal membrane (anatomy) membranous wings microsoft minecraft mojang mythological creature mythological scalie mythology neck spikes nude one ear up open mouth pastoral dog penetration penile penile penetration penis penis in ass pink blush pink pupils pink sclera pink tongue platform standing doggystyle pupils purple background purple eyes purple penis scales scalie sephie (anirecast) sex shaded shaking sheepdog signature simple background slit pupils snout speech bubble spiked tail spikes spikes (anatomy) standing doggystyle tail teeth text tongue tongue out trembling tuft whisker spots white body white eyebrows white fur wings xbox game studios yellow text