Originally from Sapporo, Japan, a shidmaster is a specialist in retaining huge amounts of bowel encrusted fecal matter for weeks to months as a form of meditation.
Shidmasters in India are known to be able after months of non-functioning bowels, give themselves, only through anal suction, deep colonics to release the dangerous build up of waste.

the ruler of all things sexy, destructive and awesome (Peter is the Only shidmaster)