The term 'clod buster' is a slang term used to describe a type of farm equipment, specifically a HOE (3 letters). A clod buster is a tool used to break up large chunks of soil, allowing for easier planting and cultivation. It is typically used in agricultural settings, such as farms, to prepare the soil for planting. The clod buster is an essential tool for farmers, as it helps to ensure that their crops will grow properly.