1 definition by Jack Party

Top Definition
A party that is dominantly male, involving masturbation by all those who attend, although the masturbation is not intended to be mutual. You can commonly find people doing a circle jerk or playing soggy biscuit.
Adolescent: "We havin a jack party at Craig's house!"
Ghost of Christmas Past: "I would also like to come to Craig's house to wax my candle..err..jack off.
by Jack Party September 17, 2007
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