Pump out Definition 1 of 3Pro Tip 1/3Industrial Context Used to describe mass production or output from a business or system. The software company pumps out new updates every few weeks. Pro Tip 2/3Creative Prolificacy Could imply a person or group is very productive creatively. The author pumps out best-selling novels one after another. Pro Tip 3/3Implicit Speed Suggests that the action of producing is done quickly or efficiently. The bakery pumps out fresh bread early every morning.