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1.
Someone who writes on someone's wall or comments on something on facebook and immeadietly forgets what he/she just said.
_ON FACEBOOK_

Rachael: "Happy hug a pianst day! *hugs *feels gross *hugs again"
Joel: "You feel gross when you hug me?"
Rachael: "umm, no, did I say that??"
Joel: "You're such a Short-Term Facebooker, rachael"
by theirishbeast777 February 12, 2010