In which one is expected to link stuff, probably from youtube, which they find amusing, entertaining, or otherwise provocative of the feely thingy. For instance:
Jonathan Coulton via World of Warcraft:
Jon Lajoie:
Comic parody of Mac vs PC:
And so on. If other forums I frequent do it, so can this one!
Edited to add: But I guess those forums are more geeky than this one.