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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Mutual Masturbation (FOO, as in Fire One Off) using video chat
Dan and Daniella could't stand the build of sexual tension while ap..