The feeling you have in the morning after a night of intense alcohol consumption, while you are trying to walk somewhere. You feel as if you are walking on a treadmill without any thought-process at all, and stopping requires a lot of effort.
Jared: "Brandon, are we treadmilling again!?"
Brandon: "Oh I just noticed, you're right."
Jared: "Hopefully we recover before we get to the bakery so we can stop for a feed".