fusser
/ˈfʌsər/
noun
- A person who is often worried or anxious about small, unimportant things, or who makes a lot of unnecessary activity or complaints.
- My grandmother is a terrible fusser; she always rearranges the dishes on the table before guests arrive.
- The new manager is a fusser who checks every tiny detail of the reports.
- Don't be such a fusser about the weather — a little rain won't ruin our picnic.