This expression is often used in forums or comment threads to denote that an event is about to get real.

After the object of his affection didn't answer his 600 emails, this anonymous Internet user went seeking the advice of 2chan. A year later, an English translation introduced Tumblr users to the story, who turned it into a alternate reality game.

This perfectly timed photo went viral over the weekend, leading to lulzy parodies and image macros. Meanwhile, the original photographer is apparently not happy with how the publisher has been handling its syndication.

Internet, Serious Biz: ROFLCon is a biennial Internet culture convention held at the Massachusetts Institute of Technology in Cambridge, which includes panel discussions with some of the Internet's biggest stars. Registration for this weekend's event ends on Wednesday!

This photo fad started when Russian photographer Marat Dupri decided to climb to dangerous heights in Moscow to photograph the view.