rule 34 absurd res ambiguous gender animal genitalia animal penis anthro big breasts bodily fluids breasts canid canine canine penis canis drooling duo equid equine friendship is magic genitals goo creature grey body half erect hasbro herm hi res horn intersex knot macro mammal metal metallic metallic body micro micro on macro monochrome my little pony nipples nude penis phathusa pussy raised leg saliva silverfang the steel wolf simple background size difference spread legs spreading taloverae unicorn wolf 5626293