You tie your fingers in a knot, and your computer explodes.
You get back what you did not mean to delete.
Go ahead and try it; I dare you!
"Help me Obi-wan Kenobe --- you're my only hope"
Kind of hard to do since i don't have an "alt" key
Your fingers get cramped.
1.1287 richter earthquake centered on the nearest postman, by the reaction, evidently it causes some 'stinging' sensations
Cheryl Cole appears in a puff of smoke...so don't do it!