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1.
To have an orgy with a Sorority.
We had a crazy Sororgy with the ZTA girls last night.

A tie in the box party. Frat guys wear a tie to a mixer, when everyone is drunk at the end of the night, the put all their ties in the box and the sorority girls pick a tie out of the box. Which ever girl has your tie is yours for the night.
by Pirate Steve MW April 20, 2010