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).

Phrasal verb

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

Heard in 11 movies

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

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

I'll dust off the guns.

Said in 8 films · #1