Pee Banshee Share definition Flag Local women notorious for getting too drunk and peeing the bed/ couch/ etc. after intercourse. "Dude, I woke up the next morning with piss all over my bed and she was gone." -"The Pee Banshee got you too!" Pee Banshee by Social Sound System December 23, 2007 Get the Pee Banshee mug.