Rumors have it a list of forbidden words that can violate the TOS is being developed. This will give a reason for violation.
The current list:
"R'osity" - Some cultures consider slang, nickname, or abbreviate form of a name is a grave insult and personal attack.
"Good" & "Evil" - Moral Judgement
"Pink Ponies" & "Mr. Fluffers" - They are just magnet for attacks and flame wars.*
The next word can get you immediate permanent banning: Belgium

*To Legume. We'll miss ya.