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1.
Often caused by (a) the friend counter or (b) the relationship status. This is the act of deleting ones facebook page.

Can often be depicted as a sad moment where someone finds your action a moment too late and attempts to stop you in slow motion
Dear Facebook, I cannot live like this anymore. My friends are non existant. Facebookacide is the only way out. Goodbye
by Rev. Martak Meanianski November 22, 2010