From Longman Dictionary of Contemporary Englishget/put bums on seatsget/put bums on seatsBritish English informal to make a large number of people go to see a film, play, sports match etc She’s the kind of star who will put bums on seats. → bum
Examples from the Corpus
get/put bums on seats• When you can put bums on seats, then you can come and tell me what flights you want to travel on. 