For once, I think I may have managed to be on the early side of awareness about a Hot New Internet Catchphrase. Kung Fu Monkey gave me this awareness when he noted that it is "the perfect explanation" of the writers' strike (in the post before his extensive and excellent detailed rundown of "What's this all about then, oy?"). I googled the phrase and realized that it's from that interesting-looking game that M. was playing last week or so that I hadn't got round to trying yet -- this weekend perhaps.
T-shirts. We need T-shirts. As demonstrated above, it could apply to all sorts of situations (for antiwar protests, use one with a picture of a cake which is yellow). This is what makes me expect that it will be sweeping the nation.
Of course, since normally I only become fully aware of things as they've passed their peak, I could be wrong. But I want a T-shirt anyway.