churn out churn out /ʧɜrn aʊt/

verb

1. [Informal] Produce something at a fast rate  ( churn out [Informal] )
   produce something at a fast rate
    He churns out papers, but they are all about the same topic
   He churns out papers, but they are all about the same topic
   
2. [Informal] (music) perform in a mechanical way  ( churn out [Informal] )
   (music) perform in a mechanical way