I can't think of any word that rhymes with colonel. Unless it's infernal.

— Grandpa (Harry Davenport)

4 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.

You can hear this line at 01:08:57.508 in the DVD version of the movie.

Quote context

[...]

- Roses are red, John's name is Truett, Esther's in love and we always knew it.

- Mama, I refuse to stay here while my sister's humiliated by these ghastly children.

- They're your sisters too.

- Now stop it, you two, or up you go.

- Truett. Knew it. That's pretty good.

- I can't think of any word that rhymes with colonel. Unless it's infernal.

- I must say, it's very difficult for a person to have any private life in this family.

- Well, another Halloween. We're all a year older.

- Is this where the Smith family lives?

- Hello, Papa, I almost got killed, we stopped the trolley and I lost my tooth. And Girard the doctor gave me two stitches and I didn't cry once.

[...]