How is “spread the word” used?

In The Dark Knight Rises (2012), one line is: “You guys, you go knock on doors and spread the word, okay?”

Which movie is “spread the word” from?

The clip at the top of this page is from The Dark Knight Rises (2012).

You guys, you go knock on doors and spread the word, okay?

8 作品で登場 · 1 本目

to tell people about sth

8 本の映画に登場

オックスフォード映画の 100%
to tell people about sth
You guys, you go knock on doors and spread the word, okay?
Doc's at midnight. Spread the word.

定義：Oxford Advanced Learner's Dictionary 第 9 版