What is with this thing on 4chan?

there's a ->F**K<- (censored) (there's unicode arrows on the real page, but they dont work here) thing in small, red, bold, italics text at the top of the page. what's that?

Electromau55 years ago
i dont have a answer but do me a favor on 4chan. look for one of these names on 4chan Electromua5 or Zexal ill be on there later i have a question for school and youll see what im doing
hackers have been /b/ombarding it lately
arrgh we shall show them /b/rother......great to see you here hoping to find another /b/tard :)