Top Definition
A party in which several aquantinces gather for all of the simple recreational purposes of any normal slumber party. Watch movies, consume popcorn, tell stories and then procede to piss in anything imaginable sitting around the house. Popular hiding places for ones urine include but are not limited to; Windex, Shoe, Sink, An Opperating Fan, VCR, 'Yo Mouf', The Oven, The Microwave, Your Friends Sleeping Bag, Sock Drawer and The Icecube Tray In The Freezer. This is all done while the actual owner of the house is gone.
"Why does my house smell like piss?"

"It looks like a Slumber Pee Party went down here. Call the cops and let's get this place quarantined.
by Mr.Fluky May 17, 2009

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