Tallboy is a term used to describe a type of furniture or storage unit that is tall and slim. It's commonly used to describe a chest of drawers with several drawers stacked on top of each other. However, there are many other synonyms that can be used to describe this piece of furniture. Some common alternatives include highboy, chest-on-chest, and tall chest. These terms all refer to furniture that is tall and narrow, and designed to provide plenty of storage space while occupying as little floor space as possible. Regardless of which term you use, a tallboy is an excellent choice for those looking to maximize storage potential in a smaller room.