How is “dust off” used?

In Donnie Brasco (1997), one line is: “I'll dust off the guns.”

Which movie is “dust off” from?

The clip at the top of this page is from Donnie Brasco (1997).

I'll dust off the guns.

8 作品で登場 · 1 本目

句動詞

to remove dust, dirt, etc. from sb / sth

8 本の映画に登場

dust sb / sth off
to remove dust, dirt, etc. from sb / sth
For the concert, he dusted off some of his old hits.

定義：Oxford Advanced Learner's Dictionary 第 9 版