Nigger forgot to duck. That's all.
4 seconds sound clip from the Glory (1989) movie soundboard.
You can hear this line at 00:37:50 in the Blu-ray version of the movie.
Quote context
[...]
- Go on, go on, get over there. Now stab me.
- What?
- Stab me.
- Come on, stab, not tickle. Hit me.
- Come on! You prissy little schoolgirl. You're the worst soldier in this whole company. Now hit me!
- No shame, son. Get up. I said, get up.
- Nigger forgot to duck. That's all.
- Sergeant, deal with that man.
- Let me tell you a wee secret, son. The only thing you're to learn to do is to keep your mouth shut.
- First rank to the rear. Back to work.
[...]