Top definition
massive party on the beach of madison, connecticut during labor day weekend that results in heavy drinking and smoking mad trees, often you will witness old men falling out of windows, sightings of shamu, and/or people fighting benches
"Yo, did u go to the jellyfish festival this year?"

"Fuck yea dude but i can't fucking remember"
by bigD567 August 11, 2008
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