U R B A N L E G E N D S
An "Urban Legend" is any modern, fictional story, told as truth, that is passed from person to person. Urban legends are most often false, but a few are inspired by an actual event which evolves into something different as they are retold and passed on.
They usually happen to a brother, sister, best friend, friend of a friend, relative, etc., but not to the person telling the story. Urban legends are difficult if not impossible to trace back to their original source -- they seem to come from nowhere.