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1 definition by ThatYellowBTard

 
1.
A nickname for the Federal Bereau of Investigation. This was a term coined through several popular image boards, particularly 4Chan, following a comic strip that depicted an anonymous user opening his door after being told that there was a party van outside. Immediately afterwards he is attacked by several agents. The term is often used as a warning against illegal activities on the internet.
"Don't answer the phone!"
"Why?"
"It could be the partyvan checking to see if you're home!"
by ThatYellowBTard September 26, 2006