Fire a warning shot across her nose.
5 seconds sound clip from the Spaceballs movie soundboard.
You can hear this line at 00:17:09 in the Blu-ray version of the movie.
Quote context
[...]
- Approaching Spaceball One at 1500 light leagues per minute.
- Good. She's almost in our grasp.
- Tell Dark Helmet he must take the Princess alive.
- Princess Vespa's spaceship within range, sir.
- Fire a warning shot across her nose.
- It's either the Fourth of July, or someone's trying to kill us!
- Hey! I don't have to put up with this. I'm rich.
[...]