Top Definition
When a person is in a country that has blocked facebook (such as Vietnam, China etc) can access facebook via a proxy server, but can only view people's pages and is unable to post on walls, update their status or interact in any other way.
"Hey man how come you went MIA on facebook for 2 weeks??"
"I had to go to China on business, was relegated to the facebook museum."
by Tudou May 20, 2010

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