On 2/8/2014 1:43 PM, John Doe wrote:
Off-topic spam

No, it's NOT.
It's not up to you to decide what is OFF-TOPIC.
Vaccinations certainly aren't.
No one appointed you hall monitor.
Shut the frell up!

Usenet troll
Web definitions

In Internet slang, a troll is a person who sows discord on the Internet
by starting arguments or upsetting people, by posting inflammatory,
extraneous, or off-topic messages in an online community, either
accidentally or with the deliberate intent of provoking readers into an
emotional response ...

buglady
take out the dog before replying