Also caused by crashing after copious amounts of caffeine.
I have to keep moving, I have the Shiftys.
I don't care if you have the Shiftys, you can't hang your legs out the window of my car!
(Noun) A trick that can be performed on a skateboard, snowboard, or any variation of the two. It consists of moving of the feet in the air, creating a "shift".
Shifty: Then just don't come back idiot, we don't even need you anyways.
Friend: Why does he have to be such a Shifty?