"Encouraging spam is also not allowed. That being said, saying things like, “say _ if _” are forbidden, and players who do this will be warned. Examples: “Say ‘I’ if you live in the USA” or “ OMG!! ASFJerome is online in BuildIt!!!” "--Found in the Detailed Rules thread on the Server Information Forum "will be warned" Totally useless as of now.
Encouraging spam is not allowed, as it does spam the chat. If you encourage spam, and people respond you will be verbally warned on your first offense, if you continue you will be warned.
You say it now, but you never know, people get's punished for a lot of actions and you'll never know as there's no clear way of us none staff to see.