If you dreamed about enlarging male genitalia: Talking too much about what you want to happen or being oppressive may cause you to encounter problems or opposing views. For the next few days, you should avoid giving sudden reactions. To see that a man's genitals enlarge in a dream refers to keeping a big secret. At the same time, it indicates that the secret you keep will disturb you, the problems will grow, and you will not be able to carry the secret anymore.