noun.
A crazed Norse warrior who fought in a frenzy.
adjective.
Injuriously, maniacally, or furiously violent or out of control.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
adjective.
frenzied as if possessed by a demon
Word Usage
""You know he's a Scot; men of that country are" - I tried to think of a good synonym for "berserk" - "most fierce where questions of their honor are concerned.""