How is “have legs” used?

In A Star Is Born (2018), one line is: “If you don't dig deep in your fucking soul, you won't have legs.”

Which movie is “have legs” from?

The clip at the top of this page is from A Star Is Born (2018).

if you say that a news story, etc. has legs, you mean that people will continue to be interested in it for a long time

informal · Se oye en 3 películas

if you say that a news story, etc. has legs, you mean that people will continue to be interested in it for a long time

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

If you don't dig deep in your fucking soul, you won't have legs.

En 8 películas · n.º 1