Supercalifragilisticexpialidocious!
Even though the sound of it is something quite atrocious!
If you say it loud enough you'll always sound precocious.
Supercalifragilisticexpialidocious!
Source: Song Supercalifragilisticexpialidocious! in film Mary Poppins by Richard and Robert Scherman, 1964.
-- Julie Andrews, (Oct 1 1935-____), English actress, singer, author; She won an Oscar, 1964, for Mary Poppins; Oscar nominee for Sound of Music, 1965; writes children's books as Julie Edwards.