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A lurker spending hours at a time lurking on unsuspecting people. (kind of like a stake out)

Spending hours at a time staring at the facebook profiles of your neighbors without their knowledge.

Legally stalking someone for hours.
I saw Lauren screaming unintelligibly at her boyfriend! I'll have to go on a lurkathon to find out what happened...
by KiraCameron December 26, 2010