Definitions by Neil Larocca

Pushing Mud 

A basic bowel movement. Usually reserved for high-volume output. Especially after lunch when you feel like it will take a great feat of strength to go poop.

I was just in the 3rd stall pushing mud, so wait about 30 to 45 minutes before you go in there.

Pushing Mud by Neil Larocca June 13, 2005