Yeah me too, though in college. There was even a program called "xbl" (or "blast" on some platforms) that would turn your mouse pointer into a crosshair and whe

Yeah me too, though in college. There was even a program called "xbl" (or "blast" on some platforms) that would turn your mouse pointer into a crosshair and when you clicked somewhere it would make a round hole in the window. Which wouldn't go away until you killed the app. In fact they could even stay after it quit! It was so funny. https://man.freebsd.org/cgi/man.cgi?query=blast&sektion=1&manpath=FreeBSD+5.2.1-RELEASE+and+Ports https://man.freebsd.org/cgi/man.cgi?query=blast&sektion=1&ma... Also running xfishtank on someone's root window. So many things you could do.