Haha, that title is reserved for grandstanding, but "Official Dickhead"--that will serve me well.
I agree that there doesn't seem to be "a feasible way to implement it yet."
I think the only way, would be to implement a report form or an e-ticket that would allow a global or a specific mod group to either clear or reject said nickname. Going through a nickname e-ticket would make sure that they only got to change their nickname once a year, unless a tourney win or something. This would keep the mod from having to continually clear people who want to change their name daily.
Although I like the suggestion, this method of implementation would seem cumbersome. If trustworthy and competent volunteers could be supplied, then this could hasten the process... but why go through all of this?(1) Shall custom titles only remain special?
The tournament name change plan sounds good, but if anyone can simply change their title, then the customizable title wouldn't seem as special. Nevertheless, I have a possible solution:
A customizable title would have more significance if the right to a title change was restricted--e.g. through tournaments only, or perhaps a kind of ceremony (For example, if one becomes a conqueror, then one has the right to the title, "Former Conqueror"). If there is no such ceremony/tournament, then title-changing seems... kinda silly.
I like "shaking out the sillies," but at what cost? What would be the future price/value of customizable titles, and would the price justify the costs of implementation and enforcement?