Dirty Sanchez is smearing fecal matter under the nose of one's partner in the shape of a mustache, during (or following) various types of anal sex.^[1] This act can be seen performed in the 2006 sex tape Screeched in which Saved by the Bell actor Dustin Diamond acted as cameraman and narrator. ^[2]

References

This sexuality-related article is a stub. You can help Wikipedia by expanding it.