Named after a group of Norse warriors who would work themselves into a frenzy before battle and fight with reckless savagery and insane fury. Used today to describe a person acting in an insanely violent manner.
Did you see that guy go berserk on the footy field? He bit that other guy's ear off!
by (M)Rated August 23, 2004
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Berserk: to be agitated or irritated and to act violently or in frenzy.
Every time Condoleezza Rice speaks the blowflies go ‘berserk’ they always get a good feed.

In reference to Condoleezza Rice and her defence of mass genocide in Iraq!

by Sean Ambrose January 30, 2008
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A practitioner of BERZERKER(tm) Viking Fighting Arts - the best, the deadliest and the most brutal combat system ever invented by man
An advanced Berserker will use nut biting, eye gouging and windmilling to defeat any attacker. He can kill you with a spoon.
by Sven S. Svensson November 25, 2007
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A word to be used in conjunction with a string of words, making little or no sence, but also featuring the word "love". Thought to have originated from Oleg.
"My Love for you is ticking clock, berserker"

"My Love for you is like a truck, berserker"
by Thor August 24, 2004
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Berserkers are possessed by Hyrui, spirit of rage and madness. Whenever a berserker gets angry or upset her becomes a mindless killer, with no self control and no fear of death.
It is said; When a berserker passes only corpses remain.
by Silvermane June 17, 2005
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the berserker didnt use a drug for their rage. It was a rare disease of the adrenal gland. What would set it off was sarcasm and abuse to the innocent, bullies. The adrenal gland would react pumping out an overload of adrenaline. There was no medical knowledge back then but there is now. Its so rare that there were only 90 cases in the world and that was in denmark. Where the norsks lived. How do i know? I have the disease. So does my family. Im full blooded Norwegian. Its not something you would want. Youre sick everyday and nobody can figure out what it is. Its genetic and life threatening. We face death on a daily bases so after awhile you become numb to it. We dont want it but it is what it is. No drugs! No alcohol! Just pure overflowing adrenaline.
The berserker didnt fuel on drugs! It was pure adrenaline.
by leannderthal November 22, 2017
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Somebody who gets smashed and possibly turns violent before or after doing so. Named after Norse warriors who would get intoxicated using liquor, then fight to the death.

More modern use makes reference to people who more self-disregard and less focus on fighting or violence, and berserkers usually will do all types of drugs.
Steve: Hey, have you seen Dave?

Me: Not for a few months... Who knows? That kid's a damn berserker.

Steve: Yeah, he's been drinking a lot more lately.
by Robert July 29, 2004
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