Quote Originally Posted by EmeraldSky View Post
The Emergency Broadcast/Alert System noise, by far! I tense up any time I hear the words "This is a test..." or the derivatives thereof.
^THIS

I hate this with a passion or when you forget to turn it off on your phone and you get an Amber Alert in the middle of the night. O____O Another one I hate is the sound of the wind and even more so during a storm. I don't know what it is but I will plug my ears if I have to.