Pixie dust

Pixie dust, also known as "fairy dust", is a fictional substance. It is a trail of sparkling material that often follows mythical creature such as pixie and fairies in general when they are visually represented. Sometimes, this trail is interpreted as being a tangible substance, often imbued with magic powers. The most notable example of this is in the 1953 Disney version of Peter Pan, where pixie dust allows one to fly if one is thinking happy thoughts, specifically the song "You can fly", and in the film is often shown as supplied by the character Tinker Bell. Unlike in the Disney film version, in the original novels and stage play of Peter Pan, it was called fairy dust. Starstuff, first mentioned in the Dave Barry and Ridley Pearson novel, Peter and the Starcatchers, is what Barry and Pearson define pixie dust as. Starstuff is bits of space junk that fall from the sky that has a different effect on all creatures. For instance, when a human is exposed to it, it may give him/her... full article at wikipedia