I'm curious if this has been suggested in the past. Some people are great RPers, but absolutely horrible people you never want to deal with we've all had our share, no matter how long one has been RPing. What would it take to implement one here?
If someone is being a horrible person that you don't want to deal with, there's a good chance they're not being Fonz cool. Let one of the moderators know. It's more expedient to take care of the problem at its source.
The mod policy is as follows:
We warn once, we ban once.
It's also:
Please don't make us go there.