Gas Pumping 

An act of sexual foreplay involving 2-3 people. One person farting into their sexual partners mouth, this partner then breathes in the fart gas. This inhalation of fart gas should make them burp. This person then burps the fart gas either back into the farters mouth or into the mouth of the third person; depending on how many people there are.

"Hunny, Shall we get this gas pump going or what?"

"Oh I've never tried gas pumping before"

"Oh it's easy, il teach you"

Gas Pumping by Chercules June 28, 2014

Pumping Gas 

The action of masturbation.

Can be done to one's self, such as pumping your own gas, or have it done by another, in the action of having your gas pumped.

After she left me for another guy, I had to go back to pumping my own gas to shitty porn.

Last night this chick was pumping my gas, no questions asked.

Pumping gas, we all do it at soome point.

Pumping Gas by ives1337 August 10, 2010

pumping gas 

What University of South Carolina football players inevitably end up doing.

Ajiboye after being dismissed from the team wound up pumping gas. Something which Lane Kiffin prophetically predicted.

pumping gas by What? What? What? April 11, 2009

pumping gas 

when you commit anal then pee in your partners asshole

Diana let me finish pumping gas into you!

pumping gas by justicedrizz December 19, 2018

pumping gas 

The action in which you are fucking your bitch in the fucking anus, and then proceed to piss in her asshole.

Hey Ronnie, are you gonna go pumping gas with Ashley tonight?

pumping gas by Greg Heffley's left nut March 10, 2020

pumping gas 

see masturbation

Where's Beavis?

He's in the bathroom pumping gas

pumping gas by c0x0r February 9, 2004

pumping gas 

the act of fucking your girl in the ass, cumming, and then proceeding by peeing in her bootyhole.

"Bro, you got with Selena Gomez last night?"
"Yeah man, I was totally pumping gas up in her ass last night."

pumping gas by chickenparmentierisian September 27, 2019