pooworm Share definition Flag When a male ejaculates after giving anal sex, the poo that was lodged in the urethra comes out like a worm made of poo. After I fudgepacked stacy, I layed a pooworm right on her face! pooworm by BigToach April 10, 2005 0 0 Get merch Get the pooworm mug. Buy Now — $32.95 See more merch