Boa Constrictor
(source: "The World's Best Funny Songs", Esther J. Nelson, 1988; also in "The Worm Song and Other Tasty Tunes, Janet Wilson, 1993, and in "Campfire Activities", Girl Guides of Canada, 1993.)

I'm being eaten my a boa constrictor,
A boa constrictor, a boa constrictor
I'm being eaten by a boa constrictor
And I don't like it one bit
Oh no there goes my toe
Oh gee he's got my knee
Oh my there goes my thigh
Oh hum there goes my bum
Oh darn there goes my arm
Oh heck he's got my neck
Oh gee he's eaten me.
(repeat)