Noun: A person who is frequently on facebook's newsfeed.
Whenever you sign on and look at the newsfeed to see what your friends have been up to, you can't find out because the ONE person takes it all up with their recent boring activity.
me: "Let me sign onto facebook and see what everyone has been up to!"
1 minute later
me: "well... it looks like Sarah has been posting quite a few videos lately.."
Cletus: "ya, she's such a newsfeed whore"
A person who abuses facebook by writing on numerous amounts walls, having long conversations on walls that should be done on MSN or facebook chat, playing games and doing quizzes. These people fill everyone's news-feeds and its very annoying.
Dalia! stop being a News-Feed Whore! It's soooo annoying.