fuss (around) with someone or something
to keep bothering with someone or something; to fiddle with someone or something. Don't fuss around with it. We'll have to get a new one. Don't fuss with your children. They will get along just fine without all that attention.
fuss with something
1. to be busy with something without having a particular purpose Jack had spent hours fussing with the old car.
2. to try to fix something complicated It's a mistake to fuss with your computer.Related vocabulary: fiddle with something
To handle or manipulate something excessively and unnecessarily, especially when overly concerned or nervous: The contestants fussed with their outfits before the pageant began.