To flip one the bird, usually from a fired worker to their superior as a last "fuck you". More emphasis on one's extreme hate can be expressed by using both hands.
John: My boss fired me today, right in front of everyone.

Mike: Shit, man! What did you do?

John: I gave him the middleman's salute and got the hell out.

Mike: Pwnage.
by Twyzted Snake April 14, 2009
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