1 definition by BobajobRob

(Abbreviated to FMPD) Someone who portrays themselves on Facebook completely differently to how they actually are/behave in real life.

i.e A quiet introvert in real life, but who frequently comments, makes jokes/banter over Facebook. Polar opposite personalities
"That Tommy has got serious Facebook Multiple Personality Disorder! Quiet as a mouse in real life... yet on FB he's the life and soul of the party..."
by BobajobRob February 7, 2012
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