1 definition by The third vertex

Top Definition
A challenge between two individuals to see who can post more times an third party Facebook wall.
"Has anybody seen Archie? I heard he's in the middle of a postoff"

"Doctor, what happened to my little Binktosh?" "Sorry, maam, but we did what we could, but the post off was too intense."
by The third vertex May 13, 2007

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