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 15, 2010
When a dude sticks his long, hard, throbing cock in a womans ass then pulls out and pee's in her mouth.
by CoolBreeze420 September 01, 2008
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