A snake! Snake!
5 seconds sound clip from the Indiana Jones and the Last Crusade movie soundboard.
You can hear this line at 00:09:04 in the Blu-ray version of the movie.
Quote context
[...]
- You got heart, kid, but that belongs to me.
- Coronado is dead, and so are all of his grandchildren.
- Magic?
- Hold it. Make sure he doesn't double back.
- Okay, kid, out of the box, now. Son of a...
- Damn.
[...]