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3.
Noun:

1. one who clicks random links online ad infinitum-- usually to the point where he/she no longer realizes:

a.) what he/she was initially looking for.
b.) how he/she arrived at a particular site at all.

2. one who posts/sends random links.
1.
"i'm such a linkwhore-- what was i looking for again? and how did i get to this site about the mating habits of guinea pigs?"

2.
in a given online conversation between two individuals:

Nick: hey, man. click this: insert link here
Jesse: why?
Nick: because it PWNS.
Jesse: stop being such a linkwhore, douchebag. i have BETTER things to do.
by unknown February 29, 2004
 
2.
Some one who cuts and pastes links from sites like slashdot and others to all of his friends.
That link whore sent me a link to urban dictionary.
by Beany November 30, 2003
 
4.
One who will do anything to get links for their sites
1: Can you send me your pic?
2: Will you link to my site?
1: Sure I will, can you?
*2 sends, being a linkwhore*
1: You are sooo pretty
2: So why won't you link to my site?
by Jesus Christ is a Wanker July 18, 2008
 
5.
Someone in a chat room who constantly asks for farmville links.
Damnit Miguel your such a link-whore.
by Not a Link Whore December 14, 2009