When a person spends alot of time reading other peoples posts on social media sites. A "Post Creeper" is typically a way for a person to know things about someone/other people they have never even met!
DrummerG: Hey man, dont leave posts about the weekends events on my Facebook page, my x girlfriend is a "post creeper"
by drummerg2 November 04, 2009
buy the domain for your travel vlog