Top definition
A person who comments on pictures/statuses that they are entirely unrelated to and unwelcome in.
Steven: Haha. Do you remember that time we went camping?
Erica: Yeah. That was way fun!
Caitlin: Haha. You look like you guys were punched in the face before this picture was taken. Lol!
Stephen: Man, Caitlin is such a god damn post pirate.
by Warren Buffet jr. December 04, 2008
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2
A person who waits a few months after you post something cool to repost it as thier own original "discovery"
Thats the third thing sheila posted this week that i. Posted months ago..shes such a post pirate!
by Brickbaterang July 27, 2017
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