There's a popular urban legend about Hollywood that the lavish parties thrown by the biggest movie stars on the planet are filled with so much debauchery that the attendees are constantly searching for a new kind of high. In the case of Tom Hanks, a personal hobby that he shares with some of his closest friends is holding regular "colonoscopy parties."

While the term might seem like it could be a fitting title for a possible X-rated movie Hanks did as a penniless young actor, the colonoscopy parties are relatively recent things. Since moving into middle age, Hanks has been teaming up with Martin Short, Steve Martin, and a few other close friends to have a private party before getting their colonoscopy exams done together. 

The legendary comedy duo told Jimmy Kimmel that the party includes stocking up on liquids and avoiding solid food in preparation for the impending exams. Thanks to all the bowel-clearing involved, by the time the party ends, Short said, "The bathroom looks like Day 14 of a Carnival cruise." The members of the "colonoscopy crew" also share a ride to the hospital for their exams and play cards to determine who has to get the exam first.