I've seen way to many 'trolling' references that show an utter lack of education, so I'll share some wisdom:
TROLL, VERB: to fish for or in with a moving line, working the line up or down with a rod, as in fishing for pike, or trailing the line behind a slow-moving boat.
this is the root of the word troll as it applys to internet forums.
did you catch that? Trolling means "fishing" not "being an ugly fantasy character with warts, who lives under a bridge" A person could troll a thread, or be trolling but they are a troller not a troll.
Too many posts needed this clarification:

