blog-jacker
posted my latest fishing catch results on my blog, some blog-jacker git commented by claiming he'd caught the same as me, but they were all a pound bigger
blog-jacker, a person who comments on a blog trying to upstage or out-do the original blogger
"posted my latest fishing catch results on my blog, some blog-jacker git commented by claiming he'd caught the same as me, but they were all a pound bigger" What is the definition of "blog-jacker"?