by ChrisO'Neat April 29, 2010
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
When a penis is so large that that it actually increases the size of a women’s butt during sexual intercourse.
Omg Becky look at your butt!! How did you get that overnight?! Oh you know, it was the sausage hump pump!
by NASS trio September 2, 2023
by GB McPhee November 8, 2013