Ok, not the funniest post, or to some, even remotely interesting, but we bought guitar hero the other day. For those who have no idea what the hell I'm talking about, man are you behind the times. Basically you strum different combinations of notes (the lovely coloured buttons) in a analogous way to a real guitar. Easier said than done, trust me. Here's pretty much the one we've got (Aerosmith edition):
It's very addictive, and as you progress through the game you get to play more songs, unlock guitars, characters etc.
There's numerous videos posted on youtube, you know, with all the world record attempts of kids and stuff. I just randomly picked this one, please ignore the stereotypical American teenager thing going on, regardless, its impressive!