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A party thrown in the wild, loud style of the music video "Cornelius" by the Bloody Beetroots.

The term may be used in crowded situations, as the phrase seems to be an oxymoron to many and therefore unappealing.
Man 1: You hitting up that cornelius party tonight bro
Man 2: Hell yeah I'm stoked

Untrendy uninvited onlooker: Cornelius party, must be some dungeons and dragons orgy... weirdos...
by lololololaidslololol August 19, 2009