The woman voluntarily attended the Kempsey Police Station on Thursday afternoon.
Police handed the woman a Criminal Infringement Notice for offensive behaviour with an on-the-spot fine of $500.
The Mid North Coast Police District confirmed in a statement that the woman engaged in verbal attack against McDonalds employees.
A 28-year-old man screamed everyone here is fed up with this f ing restaurant to staff at a McDonalds in Kempsey
Staff at the McDonald s restaurant in Kempsey New South Wales (pictured) have been offered support by their manager The incident involved reports of a female aggressively abusing (several) staff, including teenage employees, over a dispute on the time it was taking for her order to be processed, police said.