The vortex of wind and human feces that forms when using an inverted-U shaped hand dryer.
It was clear upon seeing the microbial biofilm encasing the inside of the hand dryer in the airport bathroom that my hands would have to suffer the fury of a fecal tornado in order to be dried.
When you spray the toilet or entire bathroom with fecal spray.
After eating Taco Bell, I left a fecal tornado in the bathroom.