The phrase "long legs" is an idiomatic expression that refers to someone who has a physical attribute of having longer than average legs. This can be interpreted in different ways, such as being tall or having disproportionately long lower limbs compared to the rest of their body. The phrase is often used figuratively to describe someone who possesses certain qualities or abilities that give them an advantage over others, such as intelligence, charm, or physical prowess. In this sense, "long legs" can be interpreted metaphorically to mean having a leg up on the competition, being well-equipped for success, or simply having an edge in a particular situation.