Guttermouths is one of the greatest series in porn ever. And I too am a huge fan of the naster jibber jabber from porn whores, so I highly recommend you ick em all up. White Trash Whore series has some good filthy jargon in them as well. One other series that was done a few years back was called Steve Austin's Filthy Talking Cocksuckers, that had some good things on it too