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).

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

informal · británico · Se oye en 2 películas

Oxford100% de las películas
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.

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

Ah, I could murder a seviche right now.

En 5 películas · n.º 1