(slang) To use a breast pump and then discard the milk, typically because one has had an infection, or has been drinking alcohol.

(idiomatic) To lift weights; to engage in weight or strength training.

A piece of equipment used for extraction of gas or vapour from an enclosed space, leaving the container with a partial vacuum.

(sports) To pretend to throw or shoot the ball in order to make a defender react.

(sports) Alternative spelling of pump fake

A device used by a lactating woman to extract milk from her breasts (typically for short-term storage).

plural of bilge pump

plural of vacuum pump

plural of heat pump

plural of proton pump