is an expression, used as an interjection, in reaction to the confusion and perplexity that arises when a person fails to realize or recognize that they are in fact, just on the Internet, and no argument or comment or blog post is going to change anything at all, or mean much of anything to anyone outside a limited blog audience. blawg! is enhanced as a reaction to undue and misplaced umbrage.
blogger: man, if Obama had only read through my recent posts, he would have done the right thing with the Lilly Ledbetter Legislation.
commentor1: I totally showed your stupid ass who rules.
commentor2: winning on the Internet is unpossible! BLAWG!!1!eleventy!