You're just about to do your old pal a great big favor.
4 seconds sound clip from the The Strange Love of Martha Ivers movie soundboard.
You can hear this line at 00:46:22.910 in the Blu-ray version of the movie.
Quote context
[...]
- Exhibit 'A', bud, in case you get stubborn.
- Hey, now wait a minute, copper.
- All right, leave her things alone.
- You want to come along, soldier?
- You're just about to do your old pal a great big favor.
- How do you like the way the election is going this beautiful morning?
- The election's going good every morning.
- In? In, but not yet ready to face the world.
[...]