bum-pumping

A male who pokes another males ass relentlessly with his piece

Mike was bum-pumping Liam

by 7841sugnuf May 26, 2010

pumping gas

A polite way of saying that you have to or have already farted.

i.e.: "I ate a lot of beans and now I am pumping gas".
"Who just pumped gas?" "I've been pumping gas all night."

by I_AM_FARTICUS March 6, 2010

Cat Pumping

When one is unsatisfied with having sex with humans, they turn to performing hardcore sex acts on cats.

Jim is tired today because he was cat pumping all night long.

by Billy Fear October 17, 2010

Pumping shit

Meaning blowing a certain situation out of proportion

Ayo go head you really pumping shit I ain't mess with her.

Friend: you made me do it
me : I ain't make you do nothing see now you pumping shit yo lmao

by Cgooster November 8, 2017

Pumping jacks

When a man is having sex and does a jumping jack while simultaneously thrusting into his partner.

After the party, I went back to her place and gave her 10 good pumping jacks.

by SHSCaviarAdventure June 18, 2021

Pumping shaft

Vigorously Masturbating, virtually; whilst enjoying a red hot drop into Rebirth Island.

Cumming in hot

Pumping shaft, and or;

Choking the chicken
Bashing the bishop
Having a fapp

Jerking off

by Shaft pumper August 21, 2021

Pumping out the Poison

The irrational need to masturbate when hungover.

I felt like complete shit but I was still pumping out the poison.

by All Bets Hedged October 19, 2021