Aftermarket Autistic
When you are not born autistic, but slowly become autistic via emotional and/physical trauma, especially trauma to the head.
Zero: "I'm not autistic. I'm just brain damaged and my brain just don't think good no more."
Me: "Just like being autistic, but by outside influence. You hit your head so many times you became aftermarket autistic."
Me: "Just like being autistic, but by outside influence. You hit your head so many times you became aftermarket autistic."