Stirring Stick. A stick for stirring coffee is a tool used for stirring coffee, tea, milk and other beverages, made of materials such as stainless steel, plastic or wood, and is known as a stirring stick, also known as a stirring spoon or stirring stick.The purpose of a stirring stick is to help mix the ingredients in the drink to make it more homogeneous, and to help dissipate the heat and make the drink more flavorful.