Overbooking : male noun, neologism, method which consists in selling more tickets than there are available places in anticipation of a percentage of defections evaluated from statistical data. Surbook : A play with 6 characters, written to measure for Lagaf', a comedy based on this principle which consists in introducing more characters than there are places available in Lagaf"s room, gone on vacation in a dream club and which will not benefit from any percentage of defections, quite the contrary... Long live statistics!