Dictionary
ber•serk
Pronunciation: (bur-sûrk', -zûrk'), [key]—
adj.
violently or destructively frenzied; wild; crazed; deranged:
He suddenly went berserk.
—
n.
(sometimes cap.) Scand. Legend. Also,ber•serk'er.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.