A guy that makes a girl wish she had never taken off her underwear. He's in and done in one pump. A total waste of a girl's time.
Selene was looking forward to the night and expected a night of great sex. However, the guy turned out to be a one pump jump and ruined the entire night.
by Selin, Amada and Esmer May 10, 2004
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A man who ejaculates nearly immediately upon initiation of sexual intercoure; eg., after one or two thrusts.
'Damn girl, that man ain't never gonna last long enough to please you; he's a one pump chump!'
by K-Job April 5, 2006
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An incumbent president who suffers from counting premature elections.

Or

A former president who was voted out after only 1 term.
This 2020 election is something else, look at this one pump Trump actively calling out to stop vote counting.
by Axiom2020 November 6, 2020
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When a man only puts it in before busting.
"We were doing foreplay and he turned into a one pump chump after putting it in."
by GoldenPimp69 November 26, 2017
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A male that ejaculates very quickly after very little sexual stimualtion
A man ejaculating after 30 seconds of sexual stimulation is called a one pump wonder
by Spongebob889 November 17, 2013
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A president that refuses to wash his hands or wear a face mask and then acts surprised when he gets kicked out of the white house during a global pandemic.
We might need to get this house fumigated now that one pump Trump is getting his Corona infected self moved out.
by ThundaBabe November 7, 2020
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Usually a term for a man who prematurely ejaculates after just one, but powerful thrust.
by Mulix February 13, 2017
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