Plural of troll
"One who posts a deliberately provocative message to a newsgroup or message board with the intention of causing maximum disruption and argument"
Source: Alien Entity (author) and the Urban Dictionary page that houses it.
The above definition and more can be found by clicking the link for the word "troll".
1. On blogs, a person who posts something for the soul purpose of gaining comments (usually positive) from other users.
2. One who constantly desires coments on their blog or guestbook.
Carolyn, a well-known comment whore, always posts surveys for her friends to fill out.