You better damn well clear out, and I mean fast!
2 seconds sound clip from the In the Heat of the Night (1967) movie soundboard.
You can hear this line at 01:05:43.366 in the Blu-ray version of the movie.
Quote context
[...]
- Was Mr. Colbert ever in this greenhouse, say, last night about midnight?
- Yeah?
- Well, what are you gonna do about it?
- There was a time when I could have had you shot!
- You better damn well clear out, and I mean fast!
- What about that big speech you gave me this morning?
- I didn't know you were gonna slap any white man, least of all Endicott!
- Oh, boy. Man, you're just like the rest of us, ain't ya?
[...]