Now, Ma, they're thrashin' that matter out over there now.
5 seconds sound clip from the The Big Trail (1930) movie soundboard.
You can hear this line at 00:01:41 in the Blu-ray version of the movie.
Quote context
[...]
- John, did you feed them hounds?
- All right. Now tighten her up, Son.
- She'll take us where we're going.
- Yes, but where are we going?
- Now, Ma, they're thrashin' that matter out over there now.
- Pa, they made you the leader. Why don't you say where to go?
- I'm only leader of the Missourians, Daughter.
- There are families here from every state in the Union, I reckon.
- Can't be waitin' on 'em forever, Dad.
- No, Son. They're holding a powwow over there now.
[...]