User blog comment:SpaceWeather/Chat Etiquette/@comment-1844926-20131201024058

Kicks
 * Harassment (First offense)
 * Being a nuisance (Judged by whether or not admins get complaints)

Bans
 * Porn
 * Spoilers
 * Harassment (Multiple offenses)
 * Being a nuisance to the general public after a warning.