Action Movie Trope where the driver of a vehicle is shot/killed. Instantly, he suffers a muscle spasm that extends the driver's leg, pushing the accelerator pedal all the way to the floor. Then instant rigor mortis sets in, keeping it there. Naturally, this causes the vehicle to accelerate to ludicrous speed, putting anyone in the way of this driving dead man at mortal risk. Related to Runaway Train. Examples of Deadfoot Leadfoot include: