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6.
1.
an uncontrollable outburst of emotion or fear, often characterized by irrationality, laughter, weeping, etc

2.
Psychoanalysis . a psychoneurotic disorder characterized by violent emotional outbreaks, disturbances of sensory and motor functions, and various abnormal effects due to autosuggestion.

3.
A kick-ass Muse song.
When Angelina Jolie found out that Brad Pitt cheated on her with a flight attendant, she went into a state of complete hysteria, while listening to Hysteria by Muse and went completely fuck your own ass crazy.
by Hitsugaya Kurosaki November 03, 2010
 
1.
Kick-ass Muse song. Great when played live. muse rule!
Hysteria is a great Muse song
by Nathan Von Metalhead January 27, 2006
 
2.
The greatest song ever made. You can never hate such a great song. you all suck who hate it
Great Song Hysteria is.
by Bob Edison April 23, 2005
 
3.
once termed to be a disorder of only women (thus the root words being hyster, as it was originally thought that the uterus was a free floating object in a woman's body, and when lost would cause her to be hysterical), the original cure was for the doctor to masturbate the woman.
mostly it is characterized by uncontrollable emotion, be it amusement, fear, etc, in a given situation.
there was an outbreak of the plague, causing mass hysteria.
by Squizzy April 05, 2006
 
4.
Hysteria is a very good Muse song. Muse is the greatest band of all time, so how could they not make amazing songs? The bass line in this song is possibly the greatest thing I've ever heard.
Hysteria is amazing. Not Muse's best song but still fucking amazing.
by stevedawg13 October 06, 2006
 
5.
A condition where one starts laughing uncontrollably, usually without a good reason.
Me: *starts laughing really hard, falls on floor and stops breathing, still laughing though.*
Stephanie or other friend nearby: "Oh God, she's going into hysteria again! Get the medication!"
by Erika January 08, 2005
 
7.
noun, but can be used as an adjective; extreme outrageousness, or being beyond awesome
That party last night was hysteria man.
by Scott November 01, 2004