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a slang term used on myspace asking somebody to comment their blog(s) in return of them commenting your blog(s). mainly used for sites that have layouts, articles, fanfictions, or any kind of writing.
*site #1 posts a bulliten saying "BC4BC"*
*site #2 comments site #1s blog*
*site #1 comments site #2 blog*
by sarahisFR3$H July 16, 2008
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