Sneaky Poo Share definition Flag The act of pooing in the most unexpected places, often where people will likely stumble upon it. Dude! Someone just Sneaky Poo'ed in my pillow case! Sneaky Poo by SneakyPoo December 25, 2007 0 0 Get merch Get the Sneaky Poo mug. Buy Now — $32.95 See more merch