1. The combination of the words “blog” and “dialog”, describing a blog-like discourse made in a forum that invites and encourages responses and ongoing discussion between and among respondents and the original author/poster based on the original blog.
2. Any of the rantings of former Illinois Governor Rod Blagojevich (in this context, "Blogolog" should always be capitalized).
"My Facebook note about abortion started one heck of a long and angry blogolog."
"This YouTube blogolog about immigration has been going for three months straight."
"Roddy went on another Blogolog on the radio this morning."