See Mighty Boosh episode "Crimp"
To randomly make a song ad libbing.
You can literally sing about anything as below....
The Soup crimping song in the "Mighty Boosh"
Tasty Soup Soup
Spicy carrot and corriander
Crunchy friends in a liquid broth
I am gespatchio Oh!
I am a summer soup Mmmm!
Fighting in the dojo
Oriental Prince in the land of soup