Mary Poppins: It's...supercalifragilisticexpia lidocious! Even though the sound of it is something quite atrocious If you say it loud enough you'll always sound precocious Supercalifragilisticexpialidocio us! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Bert: Because I was afraid to speak when I was just a lad Me father gave me nose a tweak and told me I was bad But then one day I learned a word that saved me achin' nose Both:The biggest word you ever heard and this is how it goes: Both: Oh, supercalifragilisticexpialid ocious! Even though the sound of it is something quite atrocious If you say it loud enough you'll always sound precocious Supercalifragilisticexpialidocio us! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Mary Poppins: He traveled all around the world, and everywhere he went He'd use his word and all would say, "There goes a clever gent!" Bert: When dukes or maharajas pass the time of day with me I say me special word and then they ask me out to tea Both: Oh, supercalifragilisticexpialid ocious! Even though the sound of it is something quite atrocious If you say it loud enough you'll always sound precocious Supercalifragilisticexpialidocio us! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Um diddle diddle diddle, um diddle ay! Mary Poppins:You know you can say it backwards which is dociou saliexpilisticfragicalirupus...b ut that's going a bit too far don't you think? Bert: Indubitably! Mary Poppins: So when the cat has got your tongue, there's no need for dismay Just summon up this word, and then you've got a lot to say But better use it carefully or it could change your life! For example... Yes? One night I said it to me girl, and now me girl's my wife! Oh, and a lovely thing she is, too. Both: She's supercalifragilisticexpial idocious! Supercalifragilisticexpialidocio us! Supercalifragilisticexpialidocio us! Supercalifragilisticexpialidocio us!