From Longman Dictionary of Contemporary Englishon the back of somethingon the back of somethingas a result of something that already exists or something you have already done The company should be able to generate business on the back of existing contracts. → back
Examples from the Corpus
on the back of something• It was strange to see his bag on the back of another caddie.• I feel moist breath on the back of my neck, and fingers touch my arm.• Captions Never write directly on the back of a photograph.• Mr Gregson took me home, jolting on the back of the wagon.• Somebody runs out of the crowd and hits Mowat on the back of the neck.• Clubs also look set to be given the option of having players' names on the back of their shirts.• Jack said, and he slapped Streeter on the back of the head with his gun hand. 