Top Definition
A party where your entire high school student body attends and completely fucks up a person's house usually causing the host to "jumpoff" their house and kill themselves.
Tom held a massive party after finals and jumped off his roof when his grandmothers ashes were destroyed. All of his friends learned that they should never have a high school jumpoff.
by David Eisele July 23, 2006
5 Words related to high school jumpoff

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