If you dream about genitals you could be thinking about your own sexuality.
A dream that your genitals are misshapen could reflect worries about your sexual performance or about how others perceive you sexually.
Having very small genitals in a dream can be a sign of sexual insecurity. Having large genitals can also be a sign of sexual insecurity (a form of wish fulfillment).
However, a dream that your genitals are abnormally large can be a warning that you are being too passionate about something and you need to be more reasonable.
If you dream that you have the genitals of the opposite sex, it can mean that you are thinking about the roles that you are assigned to in your life because of your gender. It can also mean that you need to develop your masculine side if you are a woman and your feminine side if you are a man.
Dreaming that your genitals have been injured can mean that your pride has been hurt.
Very young children touch their genitals for comfort, so dreaming about genitals can be a sign that you need to be comforted.