You're right about that - and there are still short acronymns of stuff I don't know what they mean. We tend to post and not clarify what it is we're describing for those that don't have a clue yet. Given the amount of assumption we use amongst ourselves, I'd imagine that the average surfer is even more "lost" on a lot of porn terms. And I agree with Patti, if the surfer knew what terms to search with, they (and in return we) would benefit from better site listings.
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