“Fei si bu ke” is the Chinese transliteration of “Facebook”. it means in Chinese as:to die without hesitation.
This word now it implies that Chinese
people desire to use Facebook but Chinese
government's censorship make this impossible, so people are dying so hard to break the firewall without any hesitation!
Secondly, it also implies right now so many
people is addicting to Facebook such this kinds of online social "internetwork", they prefer to die if there is no Facebook.