I'm sure someone's shown 'em, but I ain't the one to be sullying myself going over there...
I should add that willingness to use the f word must be a prerequisite for posting there. Evidently most of DU's patrons feel that it is the height of wit and creativity to interject the f word and certain scatological words into their comments. As in "oh my effing god, did you hear what s--- those effing FReepers just said on one of their posts?" A typical comment from their site.