Blimey, is that a limey with a spic and span slush fund where there's no room to swing a cat? Has he been shanghaied, reached the Plimsoll mark – or is he going round robin on his way to Davy Jones locker? Will he find 15 men on a dead man's chest? Yo Ho Ho, bring your rum – or at least a Coke – and learn the story behind seafaring terms as "Why Do We Say That?" sails with flying colors into another chapter of word origins.