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Meaning of berserk

ber•serk

Pronunciation: (bur-sûrk', -zûrk'), [key]
— adj.
  1. violently or destructively frenzied; wild; crazed; deranged: He suddenly went berserk.
—n.
  1. (sometimes cap.)an ancient Norse warrior who fought with frenzied rage in battle, possibly induced by eating hallucinogenic mushrooms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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