Dreaming that you are dirty tends to indicate that you are guilty of something and that you need to cleanse yourself to the depths of your life. Filth could be related to turbulent issues in which you participate or in which you intend to take part. On the other hand, it is also associated with sexual instincts. You may be disgusted by this facet of your life. It is possible that this feelings of guilt precedes birth. Some parents refer to early sexual activity for their children as a dirty thing, and this idea could affect the subconscious of the child. If the dreamer feels repulsion towards filth, it could mean that they do not want to explore certain areas of their own sexuality.