Julie Andrews, Dick Van Dyke & The Pearly Chorus supercalifragilisticexpialidocious from mary poppinssoundtrack version

It's supercalifragilisticexpialidocious
Even though the sound of it is something quite atrocious
If you say it loud enough, you'll always sound precocious
Supercalifragilisticexpialidocious
Um diddle, -iddle, -iddle, Um diddle ay
Um diddle, -iddle, -iddle, Um diddle ay
'Cause 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 to save me achin' nose
The biggest word you've ever heard, and this is how it goes, oh!
Supercalifragilisticexpialidocious
Even though the sound of it is something quite atrocious
If you say it loud enough, you'll always sound precocious
Supercalifragilisticexpialidocious
Um diddle, -iddle, -iddle, Um diddle ay
Um diddle, -iddle, -iddle, Um diddle ay
He traveled all around the world and everywhere he went
He'd use his word and all would say, There goes a clever gent.
I'd use the word while passin' by or spend a day with me
I'll use me special word and then they'd ask me out to tea
Supercalifragilisticexpialidocious
Even though the sound of it is something quite atrocious
If you say it loud enough, you'll always sound precocious
Supercalifragilisticexpialidocious
Um diddle, -iddle, -iddle, Um diddle ay
Um diddle, -iddle, -iddle, Um diddle ay
You could try to say it backwards but that'd be Suoicodilaipxecitsiligarfilacrepus
But I'd say that's going too far (Indubitably)
So when the cat has got your tongue there's no need to dismay
Just summon up this word and then you've got a lot to say
You'd 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 me wife. Oh, and a lovely thing she is too
She's Supercalifragilisticexpialidocious
Supercalifragilisticexpialidocious
(whispered) Supercalifragilisticexpialidocious
Supercalifragilisticexpialidocious