A feature preinstalled within Microsofts "Windows 7" software. Often used by Males between the ages of 16 - 25 while masterbating. One side of the screen houses the porn, whilst the other side houses the girl he would like to plow the fuck out of.
Phillip: "hey Todd, I'm gonna go masterbate for like 10 minutes, stay on Facebook!
Todd: "Make sure you use windows snap feature!"
Phillip: "Oh hell, yeah! Jenny just took her pictures off private. Gonna be a wild run!"