fussbudgets

/ˈfʌsˌbʌdʒɪts/
noun
  1. People who worry a lot about small, unimportant things and often complain or criticize.
    • My grandparents are fussbudgets who always check the silverware for spots before dinner.
    • In our office, the fussbudgets are the ones who rearrange the supply closet every week.
    • The two fussbudgets at the party spent the whole evening complaining about the temperature of the soup.