junk in the trunk

Junk in the trunk is the current slang term for someone who has large buttocks. It has been widely used as the most common slang term for someone with a large behind and is a saying most people will recognize and a slightly colorful way of saying their butt is large as opposed to the rest of their body. It is also sometimes a way to call a man or woman overweight, though it is more commonly used in reference to women.