run around like a blue-arsed fly

For the past three years he'd been running around like a blue-arsed fly with precious little to show for it.

Most of the time I was running around like a blue-arsed fly making sure everything was running smoothly, keeping everyone happy.

Wharton had received a message from one of the uniformed policemen just as they returned to the van after the court session, and he seemed to have been running around like a blue-arsed fly ever since.