Cheese and Onions

I have always thought in the back of my mind, "Cheese and Onions".
I have always thought that the world was unkind, "Cheese and Onions".
Do I have to spell it out ? "see-H-E-E-S-E A-N-D O-N-I-O-N-S", oh no.
X Man or machine (Man or machine) Keep yourself clean (Keep yourself clean)
Or be a has-been (Ah-ah) Like Dinosaur, oh oh-oh.
why Man of advise (Man of advise) For everything nice (Everything nice)
You'd better think twice (Ah-ah) At least once more, oh oh.
repeat ad lib X - why