1. A person who ALWAYS says trololo.
2. A person who trolls people non-stop.
3. A person who defends his use of "troll: by claiming that trolls are giants that live under bridges.
Freind: "Look in your lunchbox"
Me: "Where's my yogurt?"
Freind: "Trololo"
Me: "SHUT UP TROLL HOLE!"
A blog where posts are made by a blogger to create drama, provoke arguments, or foster controversy. The reverse of a common internet troll who simply leaves comments to create drama. Troll-Holes are blogs written and controled by a troll, being a writer who writes posts that are meant to create drama.
That blog is such a troll-hole because the posts do nothing, but create drama and incite arguments among its readers.