And at Woodrow Wilson Jr. High School in Philadelphia, ca. 1964, it was:

Great green gobs of ooey gooey gopher guts
Mutilated monkey meat
Dirty birdies' smelly feet
Rats and bats and barracuda, slightly chewed
That's what goes into Wilson food!

Then there was (to the tune of the TV commercial for Beefaroni):

What are we having for lunch?
We're having shitaroni
It's made with stale baloney
Shitaroni's really neat
Tastes and smells like dirty feet
Makes you vomit in the street
Yaaay! for Shitaroni

(I think I'd better to go to sleep now...)

Aloha,
Mark