Top definition
when someone posts something on your Facebook wall and exercises their ability to remove it before you read it. the catch or "sighting"... if you will, is when the post appears in your notifications providing footage of some sort of parasocial activity.
me: hey Post Ghost what was too embarrassing to leave on my wall? or did you just want to let your presence be known?lol
msg sent 02/09/2012

post ghost: haha really? when was that? whats new?
msg sent 10/04/2014
by kyle pro February 05, 2012
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