FURVERT!

animal_genitalia animal_penis anthro anthro_on_anthro anus backsack balls bodily_fluids butt canid canine canine_genitalia canine_penis canis claws domestic_dog equid equine equine_genitalia equine_penis floppy_ears genital_fluids genitals group hi_res horse interspecies kabscorner male male/male mammal medial_ring nipples penis perineum precum tail tongue tongue_out trio vein veiny_penis