rule 34 anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro balls bed biped black nose bodily fluids border collie canid canine canine genitalia canine penis canis cashmere cashmerix cheek tuft collar collie domestic erection facial tuft fur furniture genital fluids genitals grey body grey fur harness herding knot male mammal multicolored body multicolored fur nude pastoral penis pink penis presenting presenting balls presenting penis seductive sheep slushee snarling solo spots spread legs spreading teeth tongue tongue out tuft white balls white body white fur 7320381