Two songs I sang as a kid, both to the tune of Turkey in the Straw:

Oh I went around the corner and I went around the block

And I went right in to a doughnut shop

I picked up a doughnut and I wiped off the grease

And handed the lady there a five cent piece.

Well she looked at the nickel and she looked at me

And she said "Kind sir, you can plainly see

There's a hole in the nickel and it goes right through."

Said I,"There's a hole in the doughnut, too!"

Do your ears hang low,

Do they wobble to and fro?

Can you tie em in a knot,

Can you tie em in a bow?

Can you throw em over your shoulder

Like a Continental soldier?

Do your ears...hang...low?

(This song was even funnier when we'd substitute "boobs" or "balls" for "ears".)