Mongo no go.
4 seconds sound clip from the Blazing Saddles (1974) movie soundboard.
You can hear this line at 01:02:29 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, them schnitzengrubens can wipe you out!
- Okay, Mongo. You're free to go.
- Oh, come on, Mongo. You're a free man.
- Oh, you better watch out, big fella.
- I think Mongo's taken a little fancy to you.
[...]