What is Postfu?
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1. "Pics Or Shut The F*ck Up". Used on message boards to mean that the author is talking about something that requires visual evidence that should either be produced or the matter should be dropped.
"I met this hot chick over at the bar last night."
"C'mon, POSTFU."
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The true title of the message that Wikipedia users get for creating an account with a very bad username, usually involving curse words a..
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Underwear that is only visible to its wearer.
When Britney stepped out of the cab, she was wearing the emperor's new jocks.
See u..