Wiktionary
beserker
alt. One who fights as if in a rage; one who berserks. n. One who fights as if in a rage; one who berserks.
Usage examples of "beserker".
Frank, seeing what had happened, screamed like a beserker and ran at the beast with the pickaxe raised above his head.
In those days they had no beserkers to fight, at least none that could be attacked dashingly, with an aircraft and a machine gun.