A quick check with Google News shows that the phrase 'dead simple' has been around in print for at least 70 years. http://www.time.com/time/magazine/article/0,

A quick check with Google News shows that the phrase 'dead simple' has been around in print for at least 70 years. http://www.time.com/time/magazine/article/0,9171,763622,00.html http://www.time.com/time/magazine/article/0,9171,763622,00.h...