forcing a woman who is riding you, to take a dump in your belly button and stomp it with her ass cheek until it forms a pancake
i made laura give me a mud pancake, it was amazing!
The inability to speculate what it was you ate from looking at the newly laid poop in the toilet bowl.
After the boys went barhopping together last night, John knew he had eaten something off the sports bar menu but couldn't tell what that was from his pluff mud he just dropped at the gas station on the way into work the next day.
When you fuck someone in the ass coating your dick with shit then titty fuck them.
I gave Tina a Mud Trench last night, her titties were covered in shit!
When you are having anal sex with a girl and you pull out and put it into her vagina.
Friend #1: I was have amazing anal sex with that filthy little filly Stacy and I pulled it out and put it deep in her bum, straight mud-flappin' bro.
Friend #2: Amazing, pure class.