Which movie is “muck about with” from?

The clip at the top of this page is from Mona Lisa (1986).

muck about with

In Mona Lisa (1986), one line is: “Don't muck about with it, for Christ sake. You've been pulling that bleeding knob.”

to do sth, especially to a machine, so that it does not work correctly

informal · disapproving · British · Heard in 1 movies

Oxford100% of films
to do sth, especially to a machine, so that it does not work correctly
Don't muck about with it, for Christ sake. You've been pulling that bleeding knob.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

Don't muck about with it, for Christ sake. You've been pulling that bleeding knob.

Said in 7 films · #1