Top definition
Someone who finds it is necessary to invent and define words on Facebook yet does not have the wit to officially seal it as his own idea via sites such as...Oooh I don't know...THIS ONE?!

:P
New phrase for the english language..."facebook tard" is used to describe sum1 who doesnt kno their status updated from their super pokes or sum1 who tags fotos of friends in incriminating situations.
by ToeSnip13 November 30, 2009
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