A woman who is so fat that when you are getting it on with her you only have to hump her once. Her fat keeps her jiggling for long enough to make it seem like you are still fucking
Man, last night I was with a one hump pump. I left after one hump and she was still shaking when I left 4 hours later!
by maz33 May 2, 2008
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When lil pumps songs are saucey
lil pumps latest song was saucey one lil pump
by Cheese Winner boi bootei September 12, 2018
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I'll catch up with you guys, I just need to pump one out.
by refugee July 13, 2004
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To achieve a point of intoxication that if one were to consume another beverage, one would likely get alcohol poisoning and need to have his/her stomach pumped.

Being "one from the pump" can be characterized by blackouts, shitting one's undergarments, contracting an STD, and numerous bruises.
Rob:"Remember when you had a bath with Becky last night?"
Kev: "WTF! Becky is my cousin. You ain't serious?"
Rob: "Yeah man...you were like one from the pump."
by scoop88 December 7, 2009
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When your penis throbs only once and you cum
I pulled down my pants and watched porn, I was about to start masturbating but i busted on one pump
by HAMZTK April 4, 2017
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