Do you know what a cull is, ma'am? A cull is a specimen that is so worthless that you have to cut him out of the herd.
11 seconds sound clip from the McLintock! (1963) movie soundboard.
You can hear this line at 01:41:05 in the Blu-ray version of the movie.
Quote context
[...]
- I don't mean to change the...
- Aw... yes sir. Down the hatch.
- Cuthbert H. Humphreys, governor of our territory, is a cull.
- Well, I, I don't mind if I do.
[...]