A blog where the author paraphrases or copies from the original article/webpage in an attempt to increase his or her own traffic. This becomes a waste of the reader's time forcing them to click through the blog to get to the actual article. Often submitted to sites like Digg or Reddit.
Noun- A blog/site that is loaded with so much foreign material, it refuses to function properly. Some examples of blogspam are 'dollz', pixelated animations from other sites, javascript that says 'Hey wut^ commaent mai site plz thx', around 5-10 'joke' links that send you to a Keep Clicking site, chain letters, quizzes, and music videos.
Man, I went to Kelly's site and she had so much blogspam that my browsercrashed.