Oil: Black gold. A substance made cheaply by nature from old dinosaurs and refined into a precious substance by the new dinosaurs running the oil companies.
Baggage check: The check that you write to the airlines to send your luggage to the Bahamas while you go to Cleveland.
Ethanol: A way to turn corn into gold.
Lottery: A way for the government to tax your hopes and dreams of getting lucky, winning big money, and telling your burger-flipping boss where to go.