SupercalifragilisticexpiHalitosis 

Breath so bad it becomes legendary.

Q: "Mary (Poppins), does my breath smell?"
A: "I'ts supercalifragilisticexpihalitosis!"

SupercalifragilisticexpiHalitosis by Yellow Statue July 22, 2010

supercalifragilisticexpialijosis 

An extremely long word of Mary Poppin decent.

My penis is supercalifragilisticexpialijosisly long tonight...

supercalifragilisticexpialijosis by Randolf Jitler December 6, 2006