Supercalifragilisticexpialidocious comes from the 1964 Disney film Mary Poppins, where it is performed as a song by Mary Poppins and Bert. Written by the Sherman Brothers, the word was presented in the film as something to say when you have nothing to say, and its length became part of the joke. The song stayed in popular culture through re releases, stage versions and school performances, and the short clip now circulates online as a playful reaction for wonderful or absurd moments.