On: Fakelish – Fake English word generator

[jaclaz]

JFYI, that Celentano's song is a famous/mainstream example of grammelot:

https://en.wikipedia.org/wiki/Grammelot

The master/pioneer of grammelot in Italy was Dario Fo, sample (of the "English" one):

https://www.youtube.com/watch?v=8A4n9Ez9O8g