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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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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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