When you shit while getting fucked in the ass.
I fed Steve tacos to make sure we had a good Mississippi mud trap tonight
When a man covers his penis with hot sauce then proceeds to fuck his woman in the ass,making her scream.
My wife wanted to spice things up so I took her Mexican mud-bogging.
the act of going to a bathroom stall, then climbing to the top with your ass parallel to the ground. then proceeding to shit into the toilet six feet below making a "mud-bomb."
hey jack, did you just go mud bombing?!?
When oral sex is performed on a man with fecal matter in the giver's mouth.
Jack is so in to fecal play that he and Jill have been mud stickin' lately.
The act fornicating (male on female) by which taking the lovely lady from behind, once finished, you pull your fleshy meat stick out and to your surprise, it is covered in fecal residue. It is at this point you realize your error.
Oh boy, I was so drunk last night, I hammered Beatrice from behind, only to later figure out I had gone Mystery Mudding.
When your partner, takes a steaming dump on your face, and you smear and wear it like a mask to exfoliate the skin.
"Rachel gave me a himalayan Mud bath last night, now my cheeks are softer than a babys bottom"
When you have a case of sickness and everything you have taken in or are taking in via mouth, evacuates itself out your ass in a watery, muddy consistncey for a lengthy period of time.
'After eating that seafood I had a serious case of the Viral mud butt diet!'
Or
'I knew the flu was going around, and it hit me hard with a case of the Viral mud butt diet.'