To see nipples in your dream, relate to infantile needs and a regression into dependency.
To dream that you are squeezing pus out of your nipples, refers to your negative feelings about relationships. You are feeling sexually inadequate.
Please see also Breasts.
For a female:
Femininity or female sexuality
Mother or motherly love
Emotional support or nurturing
For a male:
Masculinity
Femininity
Strength
Macho or bravado