How is “wet the bed” used?

In The Party (1968), one line is: “-l'm not wetting the bed. -Yes, you are. lt's wet.”

Which movie is “wet the bed” from?

The clip at the top of this page is from The Party (1968).

-l'm not wetting the bed. -Yes, you are. lt's wet.

7 作品で登場 · 1 本目

to urinate in your bed by accident

5 本の映画に登場

オックスフォード映画の 100%
to urinate in your bed by accident
I wet the bed several times...

定義：Oxford Advanced Learner's Dictionary 第 9 版