How is “own up” used?

In The Last Picture Show (1971), one line is: “Just didn't have the decency to own up to it.”

Which movie is “own up” from?

The clip at the top of this page is from The Last Picture Show (1971).

Just didn't have the decency to own up to it.

8 作品で登場 · 1 本目

to admit that you are responsible for sth bad or wrong

7 本の映画に登場

オックスフォード映画の 100%
to admit that you are responsible for sth bad or wrong
Just didn't have the decency to own up to it.

定義：Oxford Advanced Learner's Dictionary 第 9 版