Top Definition
The use of social networking websites like Facebook and Myspace to glean personal information about someone before passing judgement on them.
1) "That guy started bitching at me the other day about my girlfriend... I think he was doing some Facebook reconnaissance."

2) "Did he know about that project i'm working on already or was he just using Facebook reconnaissance?"
by Ian Keith December 15, 2008

The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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