A person who stands as a pinnacle of excellence, intelligence, omniscience and omnipotence. If there is ever a doubt regarding any question, problem or situation in life, ask a Caillouet. A Caillouet is infallible, and will never utter an untruth of any kind. The word of a Caillouet is final and unbreakable, as it is the law that governs all existence. A note to all the ladies, a Caillouet is the best lay in the land.