"Tachy" is from the old greek word "takhu" and means something like: swift/fast/rapid/accelerated

(Although i am not sure if the use of tachy comes from the greek word in this context)

I thought the story was that Kier had a user on his board called "tachy" who really needing to be sent away to coventry for a while... they say necessity is the mother of invention. :)

Yeah, I've heard that one before. :p

That type of punishment had been done for a while by many of us via a sql prior to 3.x - you simply added the userid to everyone's ignore list except his own.

Prune as Spam , Auto Ban works for me.