Supercalifragilistikexbealadocious Share definition Flag Parent to child gibberish. I'm feeling childish I think i'll say; Supercalifragilistikexbealadocious Supercalifragilistikexbealadocious by Jag III November 14, 2004 0 0 Get merch Get the Supercalifragilistikexbealadocious mug. Buy Now — $32.95 See more merch