Top Definition
A festival of phallus,dong, wiener, shlong, skin flute, etc., etc...The festival is held once a year during the month of August in Chicago, Illinois.* During the festival, the most talented penises of every human ethnicity are gathered to promote genital harmony. The festival is usually associated with heavy drug usage.

*Note: Bonerpalooza is not to be confused with lolapalooza, they are completely different and unrelated.
Guy 1: Dude I heard you did some crowd surfing at Bonerpalooza? That is so awesome!

Guy 2: Yeah it was pretty fantastic, I was tripping balls the entire show. No pun intended.
by Biochrome April 01, 2010

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