coke piss Share definition Flag That big, long, two minute piss, that you take after drinking an extra large soda at the movie theater. After sitting through two and a half hours of The Last Samurai, Wes went and took a coke piss. coke piss by Billy December 9, 2003 0 0 Get merch Get the coke piss mug. Buy Now — $32.95 See more merch