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
Guy 1- "Dude my new neighbor is HOT!!
Guy 2- "Man your right, you didn't tell me she was a "Fence Jumper"
Guy 1 - "my new co-worker is a Fence Jumper"
Guy 2- "Man your right, you didn't tell me she was a "Fence Jumper"
Guy 1 - "my new co-worker is a Fence Jumper"
by drummerg2 September 01, 2010