You know what's between us. Why, we're a thing, but this is serious, big competition.
5 seconds sound clip from the The Leopard Man (1943) movie soundboard.
You can hear this line at 00:02:38.008 in the Blu-ray version of the movie.
Quote context
[...]
- Don't you want to guess what I cooked up?
- No. No, I thought that would be a little corny. I want you to lead him in on a leash.
- You know what's between us. Why, we're a thing, but this is serious, big competition.
- Clo-Clo?
- I thought you might like to strut the kitten in right in the middle of her act.
- Come on down and see what a picture you'd make with this for a pet.
- If you've got cold feet, honey, I'll take over for you.
- That red dress of yours fits me just perfect.
- I'll bet someday you'll try on my coffin, and I hope it fits you just perfect.
[...]