Lucy from Charles Schultz's Peanuts strip is often described as a 'fussbudget', for example here: 'Lucy: Fussbudget to Feminist'. What is a British English equivalent to 'fussbudget'?
Fussbudget noun US informal, old-fashioned.
a person who is often not satisfied and complains about things that are not important: "I can't eat this meat - it's too tough." "Stop being such a fussbudget and eat your dinner!"
Fussbox is another AmE variant:
a fussy or needlessly fault-finding person Also called: fussbudget