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.
Slang definitions & phrases for lollapalooza
lollapalooza
noun
A person or thing that is remarkable, excellent, wonderful, superior, etc; beaut, humdinger: He's got a lollapalooza of a cold(1904+)