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A common practice in prison to greet fresh meat with an unwanted and unnecessary hand job. Anal extrusions may also occur.
Paulie just got in the pen, time to give him the ole prison handshake, boys get the lube

Old man Sully is in the wrong part of town, he'd better get ready for a prison handshake

They've just started playing Its raining men, prison handshakes for all!!
by neoshinobi September 27, 2009
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