The term 'Brisbane Bounder' is a job description for a Roo, which is a three-letter word. A Brisbane Bounder is an individual who is responsible for transporting goods from Brisbane, Australia to other locations. They are typically employed by companies that specialize in freight and shipping services. The job requires the individual to be knowledgeable about the routes and regulations associated with the transportation of goods. Additionally, they must be able to handle the physical demands of the job, such as loading and unloading cargo.