Off-topic
From Wikinfo
A message in a discussion is off-topic if its topic is different from the main topic in the discussion.
Originally, off-topic applied to newsgroup messages, but now applies to any discussion forum.
The opposite of off-topic is on-topic.
See also: Internet troll
References
- Adapted from the Wikipedia article, "Off-topic" http://en.wikipedia.org/wiki/Off-topic, used under the GNU Free Documentation License
