auto-bidet Share definition Flag When releasing a very solid poop causes a splash of toilet water to blow back onto your ass. Thus negating the need to wipe. I really let one go today and my poop gave me an auto-bidet. auto-bidet by Julikins January 22, 2014 0 0 Get merch Get the auto-bidet mug. Buy Now — $32.95 See more merch