The act of melting down a Madden CD and placing it into a syringe then injecting the hot liquid into one's ass like a steroid injection.
Adam melted Madden for Eric because the game was so garbage. Then Eric bent over and got an injection of Madden. This is Madden Ass Pumping.
by AFNLD December 16, 2010
Get the Madden Ass Pumpingmug. When a dude sticks his long, hard, throbing cock in a womans ass then pulls out and pee's in her mouth.
by CoolBreeze420 October 19, 2008
Get the Dirty Ass Pumpmug. Me: Hey Sharon how are you today?
Sharon: FUCKING AWESOME, I'VE BEEN PUMPING ASS ALL MORNING!
Me: ummm... that's good..
Sharon: FUCKING AWESOME, I'VE BEEN PUMPING ASS ALL MORNING!
Me: ummm... that's good..
by Marks920 July 22, 2016
Get the Pumping Assmug.