We've been part of a small contingent criticizing these mostly lame bands that are built up and just as quickly torn down by the uber fickle, superficial, oh-so-cool music blogosphere for a while now, so it was a matter of time before we'd come across coinage of the term. In this case it was the LA Times' review of this past weekend's Download Festival:
...a daylong venture into blog-rock and electro-pop headlined by [the Jesus and Mary Chain] at the Gibson Amphitheatre, [it] was a largely joyless occasion for pummeling fans with pitches for products as diverse as car insurance, chewing gum and portable hard drives between in-and-out sets on the rotating stage.
Can't see we expected anything different, JAMC and Gang of Four not withstanding.