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1.
A pseudonym you give yourself on Facebook so that you can avoid hearing from people from your past and/or maintain your professional image at work.
Bob Johnson’s nom de Facebook, Jim Boothe is working well for him. Sheila, his second ex-wife, hasn’t been able to find him online.

Mary has a high profile corporate law job. She developed a nom de Facebook so she can dish with her friends about Britney Spears and Miley Cyrus, as well as express her political views without worrying about repercussions at work.
by jayede June 25, 2010