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;)"
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.