* 4 hour "2 hour" downtimes, primetime friday night. *cough CO cough*
* Barrens Chat (no matter in what game it is)
* Overnerfs (learn 2 precision strike!)
* Bugs (all of'em)
* Working as intended that should have been bugs (lazy devs)
* Hyping games and then not delivering (Warhammer )=)
* Hyping games and then going quiet for 6 months (JGE I'm looking at you!

)
* Raising level caps (World of WelfareEpicsCrackCraft)
* Grinding (you know grinding was fun when I was a kid, but well err.... different kind!)
* Questjumpers
* More questjumpers
* People that questjump you right after you saved their scrawny necks.
* Leeroy Jenkins
* Leeroy Jenkin wannabe's
...I'll uhm, keep going later.