I love this, from the EU Forums:
Q: What do a noob and a rogue have in common?
A: They both pick locks!
HA! A while back I posted another warlock joke that still makes me laugh (I guess everyone wants to pick on warlocks), but if you've got any other WoW jokes (or jokes that have been adapted to fit the WoW setting), let us hear them, the cornier the better.
Ok, one more:
Q: What do Undead Tauren say?
HA! Ok, one more:
Q: How many CMs does it take to change a lightbulb?
A: None, it's working as intended.