FURVERT!

all_fours anal anal_prolapse animal_genitalia animal_noises animal_penis anthro anus aroused balls barn bent_over big_balls big_penis blarf blush bodily_fluids bouncing_balls brown_balls butt canid canine canine_genitalia canine_penis canis doggystyle domestic_dog drooling duo equid equine equine_genitalia equine_penis erection exhausted eye_roll flirting from_behind_position gaping gaping_anus genitals hi_res hooves horse huge_penis knot leaking_anus leaning leaning_forward looking_back looking_pleasured male male/male mammal medial_ring pawpads paws penis perineum pink_pawpads presenting presenting_hindquarters prolapse raised_leg saliva sex spread_butt spreading vein veiny_penis