Hello therapyishelping777: Probably this forum (Relationships & Communication) is your best bet. There are other possibilities though. These could include Survivors of Abuse or Coping with Emotions. You are correct though. There is not a particular forum dedicated to family-of-origin issues.

By the way, I think I know something about what you're getting at here. The members of my extended family-of-origin, were the kings of the put-down. And I bore the brunt of a lot of it. I had an uncle who liked to refer to me as: "the garbage can". ("Step on his foot & his mouth opens.") To be completely honest, though, I wasn't the recipient of all of it. He used to say of his wife (my aunt) that she was "dead from the a__ both ways..."