I've been using /usr/libexec/xscreensaver/bsod for years for this. I was having a conversation one time and xscreensaver kicked on showing the BSOD mode, and t

I've been using /usr/libexec/xscreensaver/bsod for years for this. I was having a conversation one time and xscreensaver kicked on showing the BSOD mode, and the person I was talking to said "ha! your computer crashed!" and I responded with "well, that's it, time to go to the bar."