Doo-doo Is A Bad Word

To be sung as a round:

Doo-Doo is a bad word, bad word, bad word
Doo-Doo is a very, very, very bad word

Pee-Pee is a bad word, bad word, bad word
Pee Pee is a very, very, very bad word

Pooh-Pooh is a bad word, bad word, bad word
Pooh-Pooh is a very, very, very bad word

And you are a bad boy, bad boy, bad boy
You are a very, very, very, bad boy