A speed of movement at which one appears to be pondering along at an easily overcomable pace, but is in fact moving just fast enough to be unpassable. This stems from a complex use of the wormhole theory in which the Todd Pacer does not in fact move through the Universe, but moves the Universe backwards past themselves. The faster you try to catch up, the faster the Universe is moved, much like running on a tread mill.
Let's go back to the donut shop. That Nigg's goin' at Todd Pace.