Used as a verb, Antagoblog is something that one does. He or she who antagoblogs creates and maintains a blog and does so in order to annoy, pester or otherwise irritate another person. There may or may not be any creativity at work during antagoblogging, quality is not a factor. The main features of antagoblogging are that it is specifically redundant in focus and predominantly derogatory in nature.
Used as a noun, it is the blog created by antagoblogging.
Those girls just antagoblog, they don't write anything with real content.