What does it mean when poetry is "raw"?

answers1: Slam or raw poetry is meant to shake you and if it doesn't,
it means that it probably isn't working. So, here are some examples:
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<a href="http://www.poetrysoup.com/poems/raw"
rel="nofollow"class=Clr-b>http://www.poetrysoup.com/poems/raw</a> <br>
<a href="http://answers.yahoo.com/question/index?qid=20100723205913AAp4nQy"class=Clr-b>http://answers.yahoo.com/question/index?...</a>
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<a href="http://nineteen-sixty.blogspot.gr/2007/10/did-lowell-mean-himself-to-be-raw-or.html"
rel="nofollow"class=Clr-b>http://nineteen-sixty.blogspot.gr/2007/1...</a>
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AAA
answers2: Usually this would be referring to poetry that is OK but has
not been edited for grammar, spelling, etc.