What do *key stone & key stoner* mean ?
I saw some tweets on twitter containing these sentences ..and I want to know what do they mean ? ^__^

Question

Answer

It depends on the text.  
Could mean the Keystone pipeline.  Which would make a Keystoner someone who wants or doesn't want the pipeline.
Could be someone who likes keystone beer.  Keystoner would be someone who drinks a lot of this beer. 
Could be someone who lives in Keystone.  And a keystoner would be a resident of that area.  Like some people from New York are New Yorkers, same idea.

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