The worst sound in the world, at least according to a year long survey of over 1 million votes, is the sound of someone vomiting.
The most annoying sound is not the sound that Jim Carrey made in "Dumb and Dumber." Carryl Baldwin, a human factors psychologist at Virginia’s George Mason University, has created the most annoying sound. It's attention-grabbing — and intensely annoying. And, that's on purpose, as it is designed to warn drivers of head-on collisions.
If you care to take a listen, simply click here to experience most annoying sound.