When this [berzerker] condition ceased, a great dulling of the mind and feebleness followed, which could last for one or several days.[37]
Some scholars propose that certain examples of berserker rage had been induced voluntarily by the consumption of drugs such as hallucinogenic mushrooms,[37][38][39]
Tampon "the berzerker" Tim violently slew his enemies by tossing maxi-pads and swinging giant green, steel dildoes. -Norse inscription on Viking grave recently found in Nova Scotia /s
https://en.wikipedia.org/wiki/Berserker