dalgona UK /dælˈɡəʊnə/US /dælˈɡoʊnə/ noun2 •A Korean sweet made of sugar and baking soda, usually pressed flat and stamped with a shape.Dalgonas are a Korean candy that have been integrated and popularized into coffee drinks. — 2022 •Ellipsis of dalgona coffee.Some people have opted to modify their Dalgonas, adding coffee liqueur and adding half milk, half Baileys. — 2020 formsdalgonas