(n). A driver and/or car that goes consistently under the speed limit, causing a backup of 20+ cars, creating frustration and your ability to be where you want to be on time.\n> Gee boss, I'm very sorry that I'm 10 minutes late, but I was in a long line of cars stuck behind this parade maker.\n> It was a double line for several miles. no one could even attempt to pass the parade maker.\n