Doing everything possible to fail miserably at any task after success appeared inevitable. Snatching defeat from the jaws of victory. Being one's worst enemy. A reference to the tendency of the Michigan State Football team to dominate 3 1/2 quarters only to implode and give the game away to their opponent, resulting in a frustrating defeat.
Example 1: Bill overachieved all year to get that promotion, but got fired for sending that joke about his boss to the whole company. Bill really Pulled a Sparty.

Example 2: That girl has been into Jeff all night. I hope he doesn't Pull a Sparty and tell her about his Dungeons and Dragons collection.
by htos_drol November 13, 2011
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SPARTY spahr-tee noun. a social gathering during which the invitees watch spartacus & drink to double sword chops and calorie boobs.
dont be tardy for the sparty
by mar dogg January 27, 2011
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The MSU act of throwing an all night dance party at the Sparty statue during Michigan week in order to ward off the carpet munching U of M students.
"Lets go John, we need to go to Sparty Watch in order to keep those inbred University of Michigan students from fucking with the Sparty statue."
by tso40 October 14, 2011
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yeah bro i'm going to a sparty this weekend nothing big.
by danyellforme October 18, 2017
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