Dictionary of Computer and Internet Terms: troll
troll
- a message that is posted in an online forum solely in order to stir up as many replies as possible. Trolls often contain deliberate misinformation or insults. (From troll, a fishing term.)
- a person who posts inflammatory material in an online forum for the purpose of starting an argument. "Please don't feed the trolls" means "Please don't reply to inflammatory messages."
