1. phrasal verb
To pump out something means to produce or supply it continually and in large amounts.
[V P n] ⇒ Japanese companies have been pumping out plenty of innovative products.
[V P n (not pron)] ⇒ World Service Television is pumping out 24-hour news to 38 countries in Asia. [Also V n P]
2. phrasal verb → pump If pop music pumps out, it plays very loudly.
[V P] ⇒ Teenage disco music pumped out at every station.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers