2. To cause disorder in one's circadian rhythm as a result of direct or indirect obstreperous actions.
Steve: Not really man, I was up all night studying for finals. I finally went to bed around 4:00 AM only to be awoken at 7:30 AM by an act of circadian terrorism.
John: What do you mean?
Steve: Well, my neighbor seems to enjoy hiring bands of workers to stand outside my bedroom window before the crack of dawn and hammer things.
John: Wow, that fucking sucks.