What does it meaning exploded, in the dream?

1. Danger is on the way (unexploded).

2. One has some sort of hostility toward someone.

3. One has been badly surprised by something. ... New American Dream Dictionary

A pen may express the desire to write or be a writer.

A ballpoint pen that has exploded may suggest that your words have made a permanent mess of things.

A pen may represent a permanent contract or relationship.... Ariadne's Book of Dream

To dream of a Volcano foretells great disagreements, family jars, and lovers’ quarrels.

To a man of commerce it portends dishonest servants, and a robbery or some sad convulsion.

To lovers it is a sign that all deceit, intrigue, base designs, on one side or the other will be exploded, and the designer will be branded with the contempt and execration so justly deserved.... Mystic Dream Book

When a bomb appears in a dream, things are changing drastically, very fast.

A bomb creates an enormous amount of energy in an instant, and an explosion is a powerful symbol of great change. In this case, the changes that are taking place are likely to be creating a great deal of chaos and challenge.

A bomb that hasn’t exploded indicates changes that may or may not happen.

The results of a bomb blast symbolize the havoc that is wreaked when enormous changes take place.... Complete Dictionary of Dreams

Dynamite or any other explosive device is a natural symbol for anger, aggression, or other “explosive” emotions. In a dream, dynamite that has not exploded may indicate a person or a situation that is about to blow up. Dynamite is also related to firecrackers, which have connotations of celebration.... Dream Symbols in The Dream Encyclopedia