How is “take the piss” used?

In Boiling Point (2021), one line is: “That's, like, the fourth one now. You're taking the piss.”

Which movie is “take the piss” from?

The clip at the top of this page is from Boiling Point (2021).

That's, like, the fourth one now. You're taking the piss.

4 作品で登場 · 1 本目

to make fun of sb, especially by copying them or laughing at them for reasons they do not understand

イギリス英語 · 3 本の映画に登場

オックスフォード映画の 100%
to make fun of sb, especially by copying them or laughing at them for reasons they do not understand
This is why I'm staying, because you're always taking the piss, making me feel that fucking big.
Taking the piss.

定義：Oxford Advanced Learner's Dictionary 第 9 版