The phrase “two apples tall” is a metaphorical expression used to describe someone of very short stature, typically in a humorous or endearing way. It evokes the image of a person being so small that their height can be measured by the size of two apples placed one on top of the other. This expression highlights the physical characteristic of short stature, which is often associated with dwarfs in fairy tales and folklore, and captures the diminutive and whimsical nature often attributed to these characters.