1. Temporary mental disturbance: A state marked by extreme restlessness, confusion, and sometimes hallucinations, caused by fever, poisoning, or brain injury.

2. Great excitement: A state of extreme excitement or emotion.

Delirium of joy.

(It's pretty much the same as dilirious.)
by Jafje April 3, 2007
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A hard song in the video game In The Groove, rated as 12 blocks on expert. The composer is Smiley, a pseudonym of Kyle Ward, the main music composer of the In The Groove series. The stepchart features many 16th note runs near the end of the song. The BPM is 163, though it briefly increases to 279.5 during the middle of the song.
Those 16th note runs near the end of Delirium killed me!
by JasonMath October 19, 2006
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Trauma of various degrees resulting in confusion, hallucinations, and speech impediment ions; To be delirious.
The sight of something horrible plunged Ted into a state of delirium.
by LORD HELL FEAR BLOOD March 18, 2003
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A hard in the groove song full of 16th notes that's 140 BPM and a 12 on expert.
by 5'11"Racer October 1, 2006
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Damn, he's a big DELiRiUM!
by CorporationX November 10, 2004
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Sudden severe confusion that occurs in one's brain when someone has to shit very badly and access to a bathroom feels unattainable. Someone with shit delirium may do unexplainable things.
George had to shit like there was no tomorrow. He was up to his eyeballs in shit. He displayed shit delirium when he inexplicably tried to unlock an unrelated lock that went nowhere when the bathroom was only a few steps away.
by JoeyD-PSC November 18, 2010
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The excited, confused, inappropraite state of mind a medical student reaches during finals time. It is a syndrome of acute onset characterized by uncontrollable gchating, youtubing, facebooking, google+ing, sneaking food in the library, as well as an exponential increase in the amount of breaks to "make peepees", due to caffeine overdosing. The syndrome can be aggravated by accelerated medical school programs of the caribbean nature. In this case, those affected, rather than actively working on a tan, are working on a DVT directly correlated to sitting on a desk for 22 hours straight. Complete resolution and healing is expected within 7-10 days post examination. Recovery is accelerated by alcohol, sleeping, stuffing one's face with food, and avoiding all direct and indirect contact with studyproducts and the such. Condition is highly infectious.
Frederica: What time are you going home?
Me: NEEEEEEEEEEEEEEEEEEEEVAAAAAAAAAAAAAAAAA....... Academic delirium currently in progress...............have to get through another 86 hours of adaboobies, yakaboots, pandybear, and da beevs. Wanna get another coffee?
by gigglemonsterinthehouse August 14, 2011
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