To gun it up is to proper hard task or to complete a job with efficiency of gunning extra power. Or to bodge like a dog with the sillicon gun. Also death by gun it up due to hermetically sealing humans into a non british standard room.
Don't worry Billy Cob face, Bunce'll be here in a minute, and you know he loves to Gun it up
by Poohnut Flavour yoghurt January 24, 2011
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