It means you are perfectly normal. Shame DOES NOT make you a bad person. It makes you human.
When you feel shame is means you have believed some of the lies that shame has told you. That you have misinterpreted words and actions and consider yourself defective in some way.
You had no choice in what was done to you; it is often not your fault. The good news is you can heal from shame and walk in freedom.
Go deeper, and read How the Lies of Shame Cause Us to Think We Are the Defective Ones, post 3 and 12 Ways that Misinterpreting Events Causes Shame, post 6.