aqua shmoo Share definition Flag defecation in a downstream river using the tide to wipe ones anus. nick: yo i just took a nasty aqua shmoo brad: and u dont even have to wipe!!! aqua shmoo by aqua shmoo August 15, 2008 0 0 Get merch Get the aqua shmoo mug. Buy Now — $32.95 See more merch