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.
"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?"
in a given online conversation between two individuals:
Nick: hey, man. click this: insert link here
Nick: because it PWNS.
Jesse: stop being such a linkwhore, douchebag. i have BETTER things to do.