Piss like a banshee Share definition Flag when after holding a piss in for so long that when finally let go it causes you to let a blood curdling yell. Dude, I have to piss like a banshee Piss like a banshee by Redmanistan June 2, 2008 0 0 Get merch Get the Piss like a banshee mug. Buy Now — $32.95 See more merch