English edit

Etymology edit

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Adjective edit

coola boola (not comparable)

  1. (Ireland, slang) Cool; all right; fine.
    Relax! Everything's coola boola.

Interjection edit

coola boola

  1. (Ireland, slang) Cool; okay; no problem.