How is “i could murder a” used?

In Rye Lane (2023), one line is: “Ah, I could murder a seviche right now.”

Which movie is “i could murder a” from?

The clip at the top of this page is from Rye Lane (2023).

Ah, I could murder a seviche right now.

3 作品で登場 · 1 本目

used to say that you very much want to eat or drink sth

くだけた · 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%
used to say that you very much want to eat or drink sth
Come on, I could murder a fucking drink. There must be some brandy in here.
Ah, I could murder a seviche right now.

定義：Oxford Advanced Learner's Dictionary 第 9 版