reminds me of the one my freind told me to check at work (but luck had it that I wasn't working that day), said listen for the ghost or something like that, so I got right close to the screen then BAM!! this one wasn't a scary one but it went full screen, no toolbars or anything and started shouting
"hey I'm watching gay porn" over and over again.
I wasn't at work thank god, but still. It was the first clip like that I'd ever seen so the panic got me and I started franticly trying to shut it down.
I got him back with the old .exe file email that made him think I'd sent a virus to delete all his files.