What is a biscuit as in the song nugget biscuit?

In the context of the phrase "nugget biscuit", a biscuit refers to a small, round, and usually baked unleavened bread. It is common in Southern and Midwestern American cuisine and can be served with various toppings, such as butter, jam, or gravy. In certain parts of the United States, biscuits can also be called baking powder biscuits or soda biscuits. They are often fluffy, buttery, and slightly flaky in texture.