A party which is considered normal until one person invites many unknown friends, who show up unbeknownst to the host, and were not invited either for a reason or shouldn't have been invited in the first place.
Dammit, David just made our pre-game party into a Mormon Party! Next time we drink at his place... upper deck!
by thypalsh September 17, 2008
by ericstaunlich April 23, 2019