To see a geyser in your dream, symbolizes an outburst of emotion. You need to acknowledge and express your repressed anger and feelings before they explode.
1. Expression of sexual outburst.
2. Expression of emotional outburst, particularly anger.
Dreams of a geyser represent an emotional, sexual and/or spiritual energy expressing and exploding through you. Your dream is showing you that which you repress must eventually express. See Fountain and Orgasm.