pump out phrasal verb ( see also ↑ pump )
1 . if something such as music, information, or a supply of products pumps out, or if someone pumps it out, a lot of it is produced:
Music pumped out from the loudspeakers.
pump something ↔ out
propaganda pumped out by the food industry
2 . pump something ↔ out to remove liquid from something, using a pump:
You’ll have to pump the boat out.