- How do you know?
- Any dumbbell can tell that.
6 seconds sound clip from the Swiss Miss (1938) movie soundboard.
You can hear this line at 00:53:02 in the DVD version of the movie.
Quote context
[...]
- In what?
- Am I?
- It's easy. Look at the silly, sloppy look on your face. Look at it.
- Do you mind if I tell you something else? She's in love with you, too.
- There's nothing to tell. All you've got to do is let her know.
- But you don't understand. This is my first love affair and I don't know how.
- Say, why don't you do like the Gay Caviars used to do in the olden days?
[...]