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One who relentlessly trawls through myspace and facebook, looking for attractive members of the opposite sex. Once found the netwanker will stalk his or her prey through a succesion of messages and comments, in the misguided belief that at some point there may be some kind of physical liason.
"I opened my inbox on Monday morning and it was full of social netwankers"
by Rudonja June 28, 2007