the action of anal sexual relations to medicate constipation.
melissa was really constipated and had to get mud pumped; jose had to mud pump annie after she ate the twice baked spaghetti; howard was mud pumping the shit out of andrew after he ate his calzone.
by robbartles May 20, 2010
Get the mud pumping mug.
When someone receives a blow job while taking a shit.
I'm horny and I've got a turtle head poking out, how about giving me a Mississippi mud pump to help things along?
by Mr. Miss June 28, 2009
Get the Mississippi mud pump mug.
pumping mud: Taking a wet shit (Diarrhea)
After I eat at JJ'S pizza I'll be pumping mud
by Seemorebutts August 31, 2004
Get the pumping mud mug.