noun: 1. Nonsense; pretense; deception. 2. An impostor or fraud. 3. A kind of hard mint-flavored candy (British). adjective: Deceptive. verb tr., intr.: To deceive or hoax. More...
4. An abbreviation for R53 owners used to describe a new dash rattle / sound that they are choosing to ignore. It's a shortened version of "What's that new hum in the dash? Dunno... doesn't bug me"