Rocket Stool
Formally, the initial blasts of diarrhea to hit toilet water with enough force to cause splash back: Can also refer to any subsequent blasts, with a strong enough force to cause splash back, but avoided through extreme seat hovering. Also in rare occasions: Things if eaten that will soon become diarrhea such as: moldy buffalo wings, three week old Chinese take-out, and basically anything edible and Mexican.
I needed a pair of goggles and a lab coat just to survive that rocket stool. You better go home quick, that chimicanga's about to become rocket stool.