Supercalifragilisticexpialidc Hello and welcome to solsarin. Our discussion is “supercalifragilisticexpialidc”. Please stay with us until the end of the text.   Supercalifragilisticexpialidocious “Supercalifragilisticexpialidocious”  is a song and single from the 1964 Disney musical film Mary Poppins. It was written by the Sherman Brothers, and sung by Julie Andrews and Dick Van Dyke. It also appears in the 2004 stage show version. Because Mary Poppins was …