Maybe I should, at that.
3 seconds sound clip from the The Train Robbers movie soundboard.
You can hear this line at 01:09:23 in the Blu-ray version of the movie.
Quote context
[...]
- What the hell are you doing up there?
- You going to knock me on my butt?
- Don't you think we better get the hell out of here?
- It'll be all right as long as I don't have to wrangle that damn mule.
[...]