coola boola

/ˌkuːlə ˈbuːlə/

adjective

Cool; all right; fine.

“Relax! Everything's coola boola.”

OriginIrish ruaille buaille →
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Meanings

adjectivecoola boola (not comparable)
  1. Irelandnot comparablepredicativeslangCool; all right; fine.

    Relax! Everything's coola boola.

interjection
  1. IrelandslangCool; okay; no problem.

Origin

  1. Irishruaille buaille
  2. Englishcoola boola

Reduplication of cool, influenced by Irish English ruaille buaille (“commotion”), from Irish ruaille buaille.

More words from Irish

Full word history & related roots →
Cite this entry
APA

coola boola. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/coola%20boola

MLA

“coola boola.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coola%20boola. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “coola boola,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/coola%20boola.

Source: coola boola on Wiktionary, CC BY-SA 4.0.