pumping the grundle

applying pressure on and rubbing the grundle while sucking the cock

Dick really likes it when Jane is pumping the grundle.

by ak najm February 22, 2008

pumping the pig

When a NAVY SEAL works out lifting an excessive amount of heavy weights.

NAVY SEAL Hamster: Hey bro, I am hitting the gym.....
FRIEND: Right on, what will you be focusing on?
NAVY SEAL Hamster: Going to be pumping the pig brah......

by Stizzi March 20, 2016

pumping poop

Listening to music on the toilet

I was bored in the washroom so I started pumping poop

by Funions2 May 22, 2016

pumping gas

when you commit anal then pee in your partners asshole

Diana let me finish pumping gas into you!

by justicedrizz December 19, 2018

Pumping Slop

Something you do over the weekend and tell your co-workers about over the weekend

Mike: So what did you do over the weekend?
John: Just hung out with the family
Dave: I was pumping slop all weekend!

by Kyuubinoneko October 14, 2019

Thunder-pumping

The act of vigorous masturbation, but only when it is so violent that anyone who hears it, assumes they are hearing rumpy-pumpy.

Person 1: I was totally thunder-pumping to your mom's Facebook last night
Person 2: ....

by JBizzle89 November 12, 2012

Pole pumping

Male masturbation.

Mark's mum walked into his room and caught him pole pumping. She was initially horrified, but then started to enjoy the porn on the TV.

by Zonal K September 26, 2019