When you have a wank over someone you know who looks like an actress in a porn film. You split your screen to show the woman you know on one side of the screen (perhaps a Facebook photo) and the porn video with actress who looks like her on the opposite side.
Brian: "You coming down the pub mate?"
John: "Nah, having a split screen reality wank mate."
Brian: "What's that?"
John: "Found a pornstar that looks like your sister mate, will load that up while looking at your sisters profile picture."
Brian: "You're a sick fuck mate."
John: "Nah, having a split screen reality wank mate."
Brian: "What's that?"
John: "Found a pornstar that looks like your sister mate, will load that up while looking at your sisters profile picture."
Brian: "You're a sick fuck mate."
by Jimmy Peters August 5, 2016