How is “loosen up” used?

In The Return of the Living Dead (1985), one line is: “It, uh... loosens up after a while, but, uh...”

Which movie is “loosen up” from?

The clip at the top of this page is from The Return of the Living Dead (1985).

It, uh... loosens up after a while, but, uh...

8 作品で登場 · 1 本目

to relax and stop worrying; to relax your muscles or parts of the body or to make them relax, before taking exercise, etc.

30 本の映画に登場

オックスフォード映画の 81%
to relax and stop worrying
-You gotta loosen up a bit, man. -I, uh…
オックスフォード映画の 13%
to relax your muscles or parts of the body or to make them relax, before taking exercise, etc.
You're gonna loosen up, all right?

定義：Oxford Advanced Learner's Dictionary 第 9 版