'fbxrd' is actually an AP identifier for news stories that come out of Fairbanks, Alaska. Due to poor editing, however, sometimes the 'fbxrd' signifier will show up as the actual headline or tagline of the article.
A Fark user found one of these articles and a new cliché was born. Although the term does not have a true meaning in the Fark sense, it could be analogous to FUBARed or fuxxored.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.