Fried Ham
(source: "Campfire Activities", Girl Guides of Canada, 1993.)

Fried ham, fried ham, cheese and baloney,
After macaroni, you add mustard, pickles and ketchup,
Then you add some more fried ham, fried ham, fried ham.
Next verse, same as the first, ____________, whole lot worse.

At the blank, add the "change" you'd like to do in the next verse, e.g. "underwater", "a whole lot louder", "with a French accent", etc.

Thanks very much to Suzi Mills, who emailed me this version of the song!

Fried ham, fried ham, cheese and baloney
After the macaroni, we'll have onions, pickles, and pretzels
Then we'll have some more fried ham, fried ham, fried ham
Next verse, same as the first, ___________ do it a whole lot worse.

Then, substitute a guiding level:

Sparks (suck thumb while singing)
Brownies (look nervous and timid and easily distracted)
Guides (look extremely bored; drag the song out, including the occasional yawn)
Pathfinders (pretend to put on make-up)
Rangers (pretend to drive a car)
Leaders (shake finger angrily and sing song as if it were an order)
Commissioners (pretend to have tea, high-society-style - pinkie finger out, dab corners of mouth with napkin; high pitched voice)