Dirty Mudslide 

When u take your own shit out of your ass and use it for lube

I ran out of lube so I gave myself a dirty mudslide

Dirty Mudslide by Cat alabast December 31, 2013

Dirty Arabian Mudslide 

a man fucks a girl in the ass, and she shit's while his dick is in her ass. He pulls out and the poop, mixing with the jizz in her, slides out, as if it was a mudslide.

Bro, i gave that girl a huge dirty arabian mudslide yesterday.

Dirty Arabian Mudslide by Squeebboy April 8, 2010

Double Dirty Mississippi Mudslide 

Two menstruating females take exquisite-sized bowel movements (this helps if you eat chili, salad dressing and corn dogs), but do not wipe. Then they tie down their victim and slide their downstairs areas over his face, starting bum to mouth. They then take turns urinating on his face, preferably while he's vomiting.

Once they saw Jeremy passed out, they dragged him into the bed and performed a Double Dirty Mississippi Mudslide.

Double Dirty Mississippi Mudslide by Pammy D December 7, 2010