That Sound is Scary

Source of the page quote. Invoked and discussed by Kiefer Sutherland's sniper character in the film "Phone Booth." As he explains, in the movies, when the good guy is about to kill the bad guy, he cocks his gun. But why would he not have had it cocked already? Because the sound is scary. "It's cool, isn't it?"

Example of:
Dramatic Gun Cock