n. A person who works for a content-filtering service and who searches the Internet for pornographic web pages so that they can be included in the list of sites blocked by the software.
2001
It is the porn sifter's task to search the web for X-rated sites so their addresses can be added to the blacklists used by filtering software.
2001 (earliest)
Brian Milburn, president, Cybersitter, a content-filtering software package, quoted in a story on Forbes.com on the lousiest tech jobs. among them is porn sifter for content-filtering companies.