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I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring a tiny worm)
And I said: “Herman? What happened?”
“I swallowed a fly.”

I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring a little bit bigger worm)
And I said: “Herman? What happened?”
“I swallowed a turtle.”

I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring a bigger worm)
And I said: “Herman? What happened?”
“I swallowed a cat.”

I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring a bigger worm)
And I said: “Herman? What happened?”
“I swallowed a dog.”

I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring a really big worm)
And I said: “Herman? What happened?”
“I swallowed a dinosaur.”

I was sittin’ on my fencepost, chewing my bubblegum
(chew, chew, chew, chew)
Playin’ with my yo-yo, wee-oo! wee-oo!
When along came Herman the worm
And he was this big (make a motion as if measuring for a tiny worm again)
And I said: “Herman? What happened?”
“I burped.”

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