A term used to describe a job (usually in the restaurant industry) where an employee is required to fulfill the roles of both server and expediter, simultaneously. This is usually accomplished in a manner most sexified. Sexual advances, comments and general indecency, while not pre-requisites for the position, are nonetheless duly encouraged.
Wanda: "Is Bernard going to be on the floor tonight?"
Clarence: "Naw, I believe he's the S/Expo for the evening."
Wanda: "Oh my..."