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noun Slang.
  1. an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Also lol·la·pa·loo·sa, lalapalooza, lallapalooza.

Origin of lollapalooza

An Americanism dating back to 1900–05; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for lollapalooza



  1. US slang something excellent

Word Origin

origin unknown
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lollapalooza


also lallapaloosa, lallapalootza, etc.; "remarkable or wonderful person or thing," 1901, American English, fanciful formation. The annual North American alternative pop music concert of the same name dates from 1991.

Online Etymology Dictionary, © 2010 Douglas Harper