Haha. Now THIS is retarded:

"Us Weekly reports that The Arc of the United States - a Maryland-based nonprofit that claims to be "the nation's largest group devoted to issues concerning people with mental retardation and related developmental disabilities" - has sent the "Mean Girls" starlet a stern letter objecting to her repeated use of the phrase, "That's so retarded."" -- http://www.nydailynews.com/front/story/203330p-175365c.html