How is “muck about” used?

In The Selfish Giant (2013), one line is: “- Hurry up and stop mucking about.”

Which movie is “muck about” from?

The clip at the top of this page is from The Selfish Giant (2013).

to behave in a silly way, especially when you should be working or doing sth else

informal · británico · Se oye en 4 películas

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to behave in a silly way, especially when you should be working or doing sth else
Don't muck about with it, for Christ sake. You've been pulling that bleeding knob.

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

- Hurry up and stop mucking about.

En 8 películas · n.º 1