You must be thinking about the South Park cartoon episode.
The reason we can't defecate from our mouth is that our digestive system isn't set up that way. Although, when someone vomits, what comes up can be almost as disgusting.
Constipation
You are Constipated
poo lol
you cant
no they poo in your mouth and kill you
poo in mouth
To live and if you are not breathing cant eat and if dont eat you do not poo and if you do not poo you die
they let you poo out your mouth and ears
you shove it in your mouth and slobber it up
you put poo in its mouth and throw. try to get a least to china with out the poo falling out
put ketchup and poo on them and cook them at a temperature of 9000 degrees and shove them in your mouth and chew. put ketchup and poo on them and cook them at a temperature of 9000 degrees and shove them in your mouth and chew.
well... i cant answer that question...