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Draggin someone out of a bar by their nostrils- beating them senseless (using fists or wanger), then preceeding to lay a nice steaming turd on their chest whilst pissing in their eyes. Finally employers of the Portsmouth steamer, should casually (but swiftly) leave the scene.

Also deemed Pompey Steamer
Alan keeps giving Frenchy portsmouth steamers. Where does he get all those turds from?

We should start a Portsmouth Steamers Society
by bill April 07, 2005
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Guy 1: That was a text book Portsmouth Steamer, please don't give me another thrashing!
Guy 2: Shut up and get what is coming to you
Guy 1: Nooooooooo......aaaaagh (fade to death)
by The Circle April 06, 2005
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