Top Definition
n.

A mindblowing chaotic blockbuster event hosted by the three-headed party monster Omega Sigma Tau-Lambda Theta Delta-Gamma Epsilon Omega. One night and one night only is one able to witness such a tremendous phenomenon.
Can be used as a verb.
"What’re you doing tonight? Tri Partying? Nuts, man"
by Three Headed Party Monster October 23, 2005
5 Words related to Tri Party

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