A flash screamer prank is an online prank performed using a software called Adobe Flash. Animated GIFs and videos can also be used as a substitute. The screamer prank is a video footage varying in length that often includes someone randomly screaming during the footage. The video will require someone's undivided attention. Many times the video will instruct the viewer to perform a menial task
. in order to lure the person watching. The unexpected scream will shock the unsuspecting viewer. http://en.wikipedia.org/wiki/Computer_prank
