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A blog-off; Two or more bloggers who cover the same topic and let their readers decide who's coverage was better.

Original term by Geist magazine (geist.com)
In January 2010, Geist.com bloggers, Lauren Ogsten and Dan Post had a bloff over the Vancouver play, Here on the Flight Path.
by Geist.com January 14, 2011
30 Second Blow Job
"Mary, I need you to bloff me."
by mj123456 January 12, 2014