berko

B3E1R1K5O1

adjective

Mad; crazy, especially with rage.

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Meanings

adjectiveberko (not comparable)
  1. not comparableslangMad; crazy, especially with rage.

    I know it might sound like I've gone berko […]

    2000, Jessica A. Gunderson, How to Keep a Secret for Detectives, page 110
    1 more example

    You're bloody berko, Koko! And who's driving? Manny? He's more round the bend than you!

    2005, Henrik Moller, Renaissance, page 263

Origin

From berserk with suffix -o. An alternative derivation from Birko, a brand of electric kettles, drink heaters, and urns, is weak from a semantic point of view.

Full word history & related roots →

Rhymes & wordplay

Anagrams

brokeborekKober
Cite this entry
APA

berko. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/berko

MLA

“berko.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/berko. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “berko,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/berko.

Source: berko on Wiktionary, CC BY-SA 4.0.