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Something quite atrocious; Exuberant; joyful; too much for words; "AHH!"; exciting.
Ahhhhh supercalifragilisticexpialadocious dude!
by some kid named mike April 20, 2005
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It's a ficticious word that you say when you want to sound precocious or when your tongue tied and need to come up with something impressive.
"George, what do you have to add to Christy's comments about your budget proposal?"

George, sweat visible now above his brow, fidgeted in his seat as he panicked at his obvious loss of words. Then a miracle happened; he opened up his mouth and said, "supercalifragilisticexpialidocious!"

"That's terrific. Rodger make sure George gets the money he's asking for. Wow, just great George. Christy you could learn from him."
by Stuart Mohr August 9, 2006
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A word to say when you have nothing else to say. It was first used in the movie Mary Poppins, staring Julie Andrews, in the 1960's.
*stares awkwardly at someone in silence* Supercalafragalisticexpialadocious!
by Bre28 November 4, 2013
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It's meant to be the longest word in the dictionary. It was made famous on the musical and film, 'Mary Poppins' but nobody really knew what it actually meant or if it meant anything at all after hearing it from there.
The word actually means 'Atoning for educatability through delicate beauty'. That means beauty making for the lack of brain in a person. Hang on, isn't 'if your pretty, you don't have to be smart' a really bad message to put into a childrens musical? Hmmm...
supercalafragilisticexpialadocious, a long word, a famous song name and a terrible message to it if you know what it means.
by Jack Langley February 21, 2008
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Adj. a nonsense word meaning fantastic; also called supercalifragilistic
"It's Supercalafragilisticexpialidocious, even though the sound of it is something quite atrocious, if you say it loud enough you'll always sound precocious, supercalifragilisticexpialidocious!
Umdiddle umdidllei, Umdiddle umdidllei..
by Jordan H. May 13, 2005
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The "longest word in existance". It is a made-up word, and not a real word.

It first became popular when used in the movie "mary poppins".
supercalafragalisticexpealadocious is quite atrocious
by NullZilla July 27, 2004
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A word that makes no sense even in the dictionary.
That was supercalifragilisticexpialidocious
by Connorjj319 December 6, 2016
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