Plumming one out

When you jerk off in class while watching hentai and get caught

YOOOO LOOK KEVIN IS PLUMMING ONE OUT

by peenballs4 May 18, 2023

scooter pumping

When a group of guys get to and rub the heads of their dicks together until someone cums.

Hey Pat stop pushing so hard , you're going to make me cum too fast and lose at scooter pumping.

by tsiehta June 11, 2016

pumping the derrick

When you are pinching a loaf and stand up and sit back down to squeeze the last bit of poo from your bowels.

Pumping the derrick: I was pumping the derick during my morning poo.

by King kupa April 11, 2015

pussy pumping

a.) The act of fucking a female vagina in a rapid, steady manner. Derived from drawing water from the ground by using of a hand pump. Pussy pumping, in comparison, is "pumping" the pussy with a cock to extract an orgasm.
b.) The rapid movement of any object, hand, or penis in a vagina to extract an orgasm.

George was pussy pumping me last night so hard I came twice.

I am going to pussy pump you till you scream.

by Renown February 22, 2008

Pumping

the act of selling drugs

yo the de-teck be all up on me when i be pumpin rock

by ill k August 20, 2003

Pumping Iron

Having vaginal intercourse with a menstruating female.

"I had to change my sheets because I was pumping iron with Sara last night"

by Quawmfpt January 7, 2015

ass pumping

ass pumping - utilization of the buttocks in a general up and down motion to facilitate the use of a pump or other similar applied pressure working device. Definition may be inclusive of fully or partially clothed buttocks, or entirely unclothed buttocks.

Common devices used when ass pumping:
tire pump, beer keg "tap"

Expressions: "You can pump a keg with that ass!"

by TCR May 22, 2006