That ought to empty the place.
4 seconds sound clip from the The Milky Way (1936) movie soundboard.
You can hear this line at 01:18:00 in the DVD version of the movie.
Quote context
[...]
- I can get in the ring and take a few bows.
- Why?
- I got it. I got it. We throw in Mrs. Hootenanny.
- Come on! We'll give 'em a little of that stuff about those tiny toddling tots.
- That ought to empty the place.
- He's not only deaf, but he's goofy.
- Yeah.
[...]