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1.
A weekend night at UMass Amherst that results in complete mayhem, usually caused by a mixture of drinking, use of drugs, drama, police, fights, more alcohol, and endless text messaging/calling/talking to explain the stories.
The first recorded "UMassacre" happened on the night of May 9 and the early morning of May 10, 2009. Numerous police arrests, fights, keg parties, gossip, and drunkenness contributed to this massacre at UMass.
by kennedy7D May 13, 2009