muck about

US /mʌk əˈbaʊt/
UK /mʌk əˈbaʊt/
"muck about" picture
1.

perdere tempo, bighellonare

to spend time doing silly or unimportant things

:
Stop mucking about and get your work done.
Smettila di perdere tempo e finisci il tuo lavoro.
The kids were mucking about in the garden.
I bambini stavano bighellonando in giardino.