sororitysome 

An intense sexual experience involving one male subject and every member of a given sorority. Other members that may partake include but are not limited to lesbians, trysexuals, and school mascots. Additionaly any and all flora and fauna are encouraged.

"Man. I havent been able to walk since last week after that sororitysome."

"I have not lost wood since that sororitysome."

sororitysome by v-dubs December 20, 2008