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."
See
Random Words:
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Originally called The Homestar Runner. He is a terrific athlete
Pom-pom shared his Strongest Man in the World trophy with Homestarrunne..