Peanut Butter And Legos
When someone is taken advantage of in a sexual manor due to the mental retardation of the victim. Usually its disabled on disabled action.
In an episode of the classic ABC show program "Life Goes On". The episode featured a conversation between Corky and another handicaped individual where the topic was what they packed for lunch. One of the retarded people said he brought peanut butter and legos. It angered the character of Corky (played by Chris Burke)so much he grabbed the fellow Downie and raped him over a cafeteria lunch table.