Herman the Worm

Sittin’ on a fence post, chewin’ bubble gum (smack smack)
Swingin’ my yo-yo (woo woo)
When along came Herman the worm
And he was this big [make fingers about 6 inches apart—fingers get wider each time]
And I said, “Herman, what happened?”
“Ate my *___________”

*sister
*brother
*mother
*father
*[fingers close together] I burped!