When you are away from home and are overcome with the urge to blow mud. The feeling is so fierce, that you must A. Go home to pour dung or B. Head to an establishment with a nice, clean bathroom setting. Tie preferred, no jacket required.
"Man, I was at work and needed to broadcast feces, but there was a co-worker in the stall next to me. Rather than paint the bowel there, I headed home to have Formal Diarrhea ."