The name "Dirty Sanchez" is in reference to a slang term for a sexual act involving feces. In the U.S., the show is named "Team Sanchez". In the U.S. version, any time the name of the show is mentioned, the word "dirty" is censored.
After the pitch meeting at the MTV UK headquarters in London, both Dan Joyce, and Mathew Pritchard took their clothes off and ran naked through the headquarters.