The condition whereby a dump, or defecation, is considered complete. However the act of standing, and most times buckling your belt, evokes another dump. This may occur several times causing one to get the feeling of your dumper stuttering.
Mort - "Where the *!$% did all the toilet paper go?"
Sol - "Easy Mortin, I had a 3 seat stutterdump, I think it was the Gelfelta fish."