Talk:Shoggoth/@comment-32042142-20170523082834/@comment-29602226-20170523195518

Taking into account they feed on your sweat, they probably make a whole septic tank out of their body, so they can digest everything that cames out of your body. Their own waste after said digestion, however, goes the sewerage system.

In short, the septic tank would be like an alimentary canal...