To be sexually promiscuous. In my day, you had one sexual partner your whole life—now, people will just quench their thirst at any dirty puddle!

The most powerful, influential, knowledgeable, or experienced person within a small group. This phrase often implies that the person may not have as much clout in a larger group or arena of some kind. Since she was so popular and well-known within the walls of her small high school, Jennifer was used to being the biggest frog in the puddle. Once she started attending a large state university, however, she suddenly realized that it would take a lot more effort to make friends. His coarse management style has made it evident that he was used to being the biggest frog in the puddle. That attitude certainly won't be tolerated by anyone at his new company.

slang A very small airplane used to travel relatively short distances, such as over a small body of water (a "puddle"). We had to take this tiny little puddle jumper since it was such a short flight from Dublin to Edinburgh. Are you sure this puddle jumper is safe? It looks like it runs on triple-A batteries!

slang A very small airplane used to travel relatively short distances, such as over a small body of water (a "puddle"). We had to take this tiny little puddle hopper since it was such a short flight from Dublin to Edinburgh. Are you sure this puddle hopper is safe? It looks like it runs on triple-A batteries!