Blowing your load during sex after just two pelvic thrusts.
It had been such a long time since Erik had sex, that he was only able to execute a two pump dump.
by The Dogg August 12, 2014
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One who usually ejaculates after approximately two thrusts of the penis during sexual intercourse, with the opposite or same sex.

Typically one who remains abstinent.
Paige:" So, how was Ivan last night;)?"
Madison:" So lame, he was a Two Pump Dump kinda guy..."
Paige:"Oh no! What a loser!"
Madison:"But his brother was pretty cute;)"
by Nash Carlton January 17, 2017
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When there's been a lot foreplay and it only takes two pumps of a penis to get them to cum
I was with my date last night and it ended with a two pump cum dump
by Cake.is.my.otp August 18, 2017
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