Supercalifragilistic

dum diddle diddle diddle,

dum diddle ay.

dum diddle diddle diddle

dum diddle ay!

Supercalifragilisticexpialidocious

Even though the sound of it is

Something quite atrocious,

If you say it loud enough

You'll always sound precoccious.

Supercalifragilisticexpialidocious!