1 definition by Adil Dough

Top Definition
When a male masturbates while sitting down on a toilet having a dump. It relates to the idea that he's pumping oil (poo) out of his behind with his penis.
"Hey Gary, let's sneak in the toilet and take a picture of Eric having a dump!"
.."Oh shit man he's oil-pumping!"
by Adil Dough January 22, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.