pumpen

16th century, from Pumpe +‎ -en.

pumpen (weak, third-person singular present pumpt, past tense pumpte, past participle gepumpt, auxiliary haben)

to pump (use a pump, work like a pump)
Das Regenwasser wird aus dem Keller gepumpt.
The rain water is pumped out of the basement.
(colloquial) to pant, to breathe intensely due to exertion, to exert or push oneself
Synonyms: schnaufen, hecheln, japsen, sich anstrengen, kämpfen

Am Ende musste sie ganz schön pumpen, aber sie blieb vorn.
At the end she had to pant / exert herself quite a bit, but she stayed ahead.
(bodybuilding) to pump, weightlift, work out
Synonyms: trainieren, stemmen

Er geht jeden Tag pumpen. ― (please add an English translation of this usage example)
(chiefly slang) to borrow or lend; sometimes used in finance contexts, then usually implying unsustainable business models
Synonyms: leihen, borgen

Diese Staaten pumpen sich das Geld zu horrenden Zinsen.
These countries borrow the money at exorbitant rates of interest.

Die zwei Euro kann ich dir pumpen.
I can lend you the two euro.

Conjugation of pumpen (weak, auxiliary haben)

More information infinitive, present participle ...

¹Rare except in very formal contexts; alternative in würde normally preferred.

Composed forms of pumpen (weak, auxiliary haben)

More information perfect, singular ...

Danish