In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Frog
If you see a frog or frogs then some lies you told in the past will be revealed and you will have problems. Some of your friendships will be shaken.