pump hump 

To kill an enemy with a pump action shotgun or any shotgun in a video game.

I was lying on the ground sniping and this faggot ran up on me and pump humped me from behind.

pump hump by compactification May 11, 2009

Pump and Hump 

When a woman's breast milk is used as a sexual lubricant.

"My wife is still breastfeeding, so I asked if she was down for a pump and hump."

Pump and Hump by Fappus the Bold April 10, 2009

one hump pump 

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!

one hump pump by maz33 May 3, 2008

sausage hump pump

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!

sausage hump pump by NASS trio September 2, 2023

Pump and Hump 

When a human of the female gender, pulls her tits, or the male counterparty pulls them, untill she squirts breast milk onto the male dick. The male then inserts his penis into the females vagina using the milk as a lubrication.

Your having sex tonight? Well im going to Pump and Hump tonight Sister!

Pump and Hump by Fuckboy69#chris in the cafe January 18, 2017

double hump pump 

when a guy pushes two times in one thrust during sex. Usually causing multiple orgasms.

Joe used the Double Hump Pump to make his wife climax multiple times during intercourse.

double hump pump by GB McPhee November 8, 2013