Wiktionary
vb. (context intransitive English) To waste time; spend time idly.
Usage examples of "fiddle about".
The ketches must not waste time and fiddle about so that the French had any idea that they were in fact anchoring exactly 2,000 yards from the frigates .
I am too isolated to fiddle about at my computer, knowing that the real world of GenGen is beyond my grasp.
That was what Lockhart liked about the Captain: if he trusted you, he showed it - he didn't fiddle about in the background, pretending to do something else, and all the time watching you like a nursemaid.
How long do you think we are going to have to fiddle about down here?
He didn't stand in anyone's way, and he didn't fiddle about aimlessly or talk when he shouldn't.
But neither I nor anyone else can fiddle about with the Invasion Timetables.
They always have nice skies in Colour: I think they fiddle about with them in some way.
I could have wished that she did not fiddle about with her gun in just the way she did.