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1. The blatant use of disruption to keep a group or individual from falling or staying asleep.

2. To cause disorder in one's circadian rhythm as a result of direct or indirect obstreperous actions.
John: Hey Steve, are you alright? You look like hell...

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.

Steve: Yeah.
by big tall giraffe December 16, 2010
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