When a person uses his/her guest pass for a friend or aquaintance who does not attend that particular school. Is usually used for dances, such as Prom or Homecoming.
Guy 1: "Dude, I want to go to prom so I can hook up, but I don't go to that school anymore!"
Guy 2: "Hey, you can go on my ticket, but you have to be my wingman
Guy 1: "Deal. But no fat chicks."