muck about/around
phrasal verb
mucked about/around;
mucking about/around;
mucks about/around
Definition of muck about/around
British, informal
1
: to spend time doing things that are not useful or serious : to waste time
We just mucked about all afternoon.
2
: to be unfair or dishonest with (someone) : to lie to or cheat (someone)
I want them to stop mucking me around. He's tired of being mucked about.