(adsbygoogle = window.adsbygoogle || []).push({}); This is funny but you have to save it to their desktop to mess with them, once they see it and click it, CMD opens and you keep hitting enter until your computer start a self shutdown...

[ame=https://www.youtube.com/watch?v=evejnp7KxbU]YouTube - The Dot Game- A Prank For Your Friends[/ame]