fsck, tar - Unix commands. Fsck is often used in the place of that other 'f' word due to their similarity. In this case it seems to be a pun on "tarred and feathered", something they used to do to people right before throwing them out of town.
SegaNet - Sega's online gaming service.

Dom speaks:
Actually, at this moment I do not, nor have I ever worked for Sega.