It comes from the children's game of leapfrog, where players jump over each other in succession.
Here are some examples of how "leapfrog" is used:
* "The company leapfrogged its competitors by developing innovative new products." This means the company surpassed its competitors by making quick advancements.
* "The young athlete leapfrogged his older teammates to become the captain." This means the young athlete quickly surpassed his teammates in skills and abilities.
* "The government plans to leapfrog existing technologies by investing in research and development." This means the government wants to skip over current technology and develop something even better.
Essentially, "leapfrog" implies a quick and decisive move that puts you ahead of others.