n. One of a class of legendary Norse warriors who fought frenzied and shirtless regardless of wounds (possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms).
n. One who fights as if frenzied, like a Berserker.
The Century Dictionary and Cyclopedia
n. A wild warrior or champion of heathen times in Scandinavia.
n. Hence A person of extreme violence and fury.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury
Word Usage
"Battleprep is often referred to as a berserker state, but that is only partially correct."