1 definition by suprcalifragilisticexpialidoci
This word is very long and it shows that something is great or extraordinary. In the song meant for this word, Mary Poppins says it's used as "something to say when you have nothing to say."
"Well, that's Supercalifragilisticexpialidocious!"
by suprcalifragilisticexpialidoci October 3, 2022