Blindfire's when a person fires a weapon from behind an object and doesn't reveal themselves. While performing this, the person usually doesn't know where he/she's aiming and's thus shooting "blindly" The name also's used in paintball and airsoft, and's usually an illegal move due to possibly unnecessary injuries. A common misconception's that it's an effective way to provide cover fire for an advancing team/squad mate, however, the point of cover fire's to suppress, but not necessarily kill,… (More on Blindfire)