A disorder which is primarily characterized by a lack of appropriate social skills in the bedroom. The person seems normal until in a sexual situation, at which time they have no idea how to act appropriately. It is important to note that this is different than being self-centered; it's not that they don't care what their partner wants, they just can't grasp the concept.
The whole time we were having sex she counted how many stars were on the ceiling, OUTLOUD!!! I think she has sexual autism.
After he came he kept shouting "I WIN!!!, I WIN!!!. I think he has sexual autism.