Speaking of the more recent past: When you played hide-and-seek as a child, did you yell “Ollie, Ollie Oxen Free”? Or “Ally Ally in Free”? Or maybe “Ally Ally Ump Free”? “Ole Ole Olsen Free”? Or something else? A caller in Montevideo, Uruguay, is curious about the origin of such nonsensical phrases. This is part of a complete episode.