A combination of the words poop and torpedo. Used to describe a poop that is projected from the anus so quickly and stealthly that it is in a torpedo-like fashion.
Tristan was impressed with the velocity with which his poop was expelled and exclaimed "Mom, a poop-pedo just shot out of my butt!"
by Joy Stacey November 01, 2008
by 70mach1 September 30, 2011