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Noun: lallapalooza  ,la-lu-pu'loo-zu
Usage: N. Amer, informal
  1. An impressive or wonderful person or thing; an outstanding example
    "The concert was a real lallapalooza, with amazing performances by all the bands";
    - lollapalooza [N. Amer, informal], lalapalooza [N. Amer, informal]

Derived forms: lallapaloozas