(informal) Excited, particularly due to anticipation. / (bodybuilding, not comparable) Having muscles in an engorged state following exercise due to increased blood flow.

simple past tense and past participle of pump up

present participle of pump iron

(transitive) To inflate by means of a pump. / (transitive) To inflate with a pumping action. / (transitive, figuratively) To excite a person or group to a frenzy.

(Canada, US) A device at a gas station that dispenses gasoline.

(Australia, New Zealand) Under pressure to perform, e.g. at work or in a sports contest. / Used other than figuratively or idiomatically: see under, pump.

(of a tyre etc) inflated / (by extension) oversized / (of water) raised by pumping / (of a person) tense with excitement or enthusiasm

(biochemistry) The transport of sodium ions across biological membranes using the metabolic energy of ATP.

A water pump consisting of a series of buckets on a chain, wheel or drum.

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