A breaking into awareness of repressed urges, fears, terrors, or even insights and healing. Basically a healing process, but it can be disturbing.
Your being, as when you eat something poisonous, tries to get rid of irritating or harmful past experiences or feelings. It does this by pushing them to the surface, and for a while, as when we vomit, we feel ill at ease. But if we can allow it the sense of being healed is enormous. Dreams express this action with images such as boils, eruptions as with a volcano, or sometimes an explosion. See: Conflict; Emotions.
If sex is linked with difficult or painful emotions the eruption might depict the release of sexual pressure or ejaculation.
What is pressing for release or expression in me at the moment?
Is there something that is bursting through my usually reserves or inhibitions?
What do I feel I am ready to erupt about?