7.Missing The Point - Trolls rarely answer a direct question - they cannot, if asked to justify their twaddle - so they develop a fine line in missing the point.

8.Thick or Sad - Trolls are usually sad, lonely folk, with few social skills; they rarely make what most people would consider intelligent conversation. However, they frequently have an obsession with their IQ and feel the need to tell everyone. This is so frequent, that it is diagnostic! Somewhere on the web there must be an Intelligence Test for Trolls - rigged to always say "above 150"