Weekly wordplay that explores the dictionary. This week, find out what was on the world's first jigsaw, which jalapeño is the hottest, learn the origins of jubbly, jacktating and jackanape, plus understand how jet lag could kill you. The Thicktionary is a podcast produced for Abrupt Audio and presented by Damien St John and Paul Gannon. Want to suggest a future word, get in touch on twitter or facebook.