Common: A very poor online games player, particularly Enemy Territory.
Occasional: Incompetent Information Technology Customer Service Representative. Spends all day chatting on IRC and setting up home websites via SSH.
Invariably fails to install software correctly, then spends 4 hours on IRC discussing why with knowledgeable 'friends'. Goes home and forgets instructions, fails to re-install software correctly.
stringy: How do install this programme again?
you: What files have you got?
stringy: Just one, called install.exe
you: God you are such a stringy