How is “cash in” used?

In Arthur the King (2024), one line is: “Cashed in my entire savings for that hotel room.”

Which movie is “cash in” from?

The clip at the top of this page is from Arthur the King (2024).

Cashed in my entire savings for that hotel room.

8 作品で登場 · 1 本目

to gain an advantage for yourself from a situation, especially in a way that other people think is wrong or immoral

非難 · 32 本の映画に登場

オックスフォード映画の 54%
to gain an advantage for yourself from a situation, especially in a way that other people think is wrong or immoral
You have to cash in while you can.

定義：Oxford Advanced Learner's Dictionary 第 9 版