Wiktionary
vb. (present participle of fiddle with English)
Usage examples of "fiddling with".
When your cipher experts start fiddling with it, it's going to blow them all to glory.
General Borzov walked over to the control panel and started fiddling with the keyboards.
He shrugged and turned away, fiddling with the volume control, reducing the announcer's voice to a distant drone.
He was fiddling with the heater controls when he suddenly started in response to Tuohey's motions offscreen.
When was this blasted alien going to finish fiddling with his blasted equipment.
From another pocket, he took a thing that looked like a cell phone and started fiddling with it.
Rechecking the battery connections and fiddling with the adjustment knobs failed to remedy the situation.
Now what she had planned to do, was to alternate lively fiddling with comic songs, to see how well they did, and if she could hold a rowdy crowd with them.
Then Seriously Successful kissed me again, and then he just kept hold of my hand, fiddling with my fingers, as though they were a puzzle he was trying to solve.