- It loosens up after a while, but you can break it out manually, as they say by flexing the muscles.
- Oh, boy.
- See that?

11 seconds sound clip from the The Return of the Living Dead (1985) movie soundboard.

You can hear this line at 00:28:44.723 in the Blu-ray version of the movie.

Quote context

[...]

- Fast on the draw. Whew.

- You are working late tonight.

- Oh, yeah, yeah. Pretty much. Kind of...

- What time is it? You want a cup of coffee?

- Uh, no. No, thank you. I'm all right.

- I do, and I need it.

- What are you doing there, Ernie?

- Breaking out the rigor mortis.

- Oh, yeah?

- Come here.

- Huh?

- Come on.

- You see, rigor mortis starts in the brain. And it spreads down to the internal organs, and it finally settles in the muscles.

- It loosens up after a while, but you can break it out manually, as they say by flexing the muscles.

- Oh, boy.

- See that?

- The embalming business is basically passed on by word of mouth.

- I'll tell you, that's fascinating, Ernie, that's really something.

- Well, he's dead now. And I am bushed.

- Hey buddy boy. How long we been friends, Ernie? About how long?

- About 25 years, give or take.

- Yeah.

[...]