One... two... three!
7 seconds sound clip from the Blazing Saddles (1974) movie soundboard.
You can hear this line at 01:06:39 in the Blu-ray version of the movie.
Quote context
[...]
- What if me and the boys were to shoot that nigger dead? Would that pep you up some?
- All right, boys. On the count of three.
- I wouldn't do that if I were you.
- Don't pay no attention to that alky. He can't even hold a gun, much less shoot it.
- Like I said. On the count of three.
- Well, just don't sit there looking stupid, grasping your hands in pain.
- How about a little applause for the Waco Kid?
- All right, I'm through being Mr. Goodbar!
[...]