The art of getting your photo taken with a non-willing participant, usually a member of the opposite sex or a celebrity that is far too busy to be posing with people like YOU.
Big Gay AL-"Hey look, there's David Beckham trying not to get noticed"
Chris-"Go and pester him for an autograph"
Big Gay Al-"He won't be up for that"
Chris-"Well go and stand next to him for a swift One Way Photo, you can be out of his way before he even knows you're there"