The act of killing the crap out of the enemy faction in the World of Warcraft Battlegrounds, while being utterly predictable about it.
Listening to the Superman theme every time you play battlegrounds.
Constantly using Frostshock as s finishing move
Doing a /dance on your enemy's un-resurected corpse every time you kill them
"You just did that with total predictakillability! Get some new moves already!"