English definition of “fuss”
› [U, no plural] when people become excited, annoyed, or anxious about something, especially about something unimportant: What's all the fuss about? They were making a big fuss over nothing.
kick up/make a fuss › to complain about something: If they don't bring our food soon, I'll have to kick up a fuss.
make a fuss of/over sb › to give someone a lot of attention and treat them well: My uncle always makes a big fuss of the children.