Spanking the MonkeyCharming the Snake.  Choking the Chicken.  Freeing Willy.  The amount of slang for masturbation with animal references should be seriously disconcerting.  Except that a wide-range of animals including dogs, cats, horses, all apes, lions, bears... and the list goes on...  have been found to Jack off.  Included on the list are elephants, donkeys and walruses that manage to flog t…