Mud Sand 

The insertion of sand of into the anus while having moist defecation

Barbara played with her mud sand last night after the beach party.

Mud Sand by MudSand November 26, 2016

mud sandwich 

the act of eating out a woman while she is taking a shit

Dude i just totally ate her mud sandwich. yumm!!!

mud sandwich by pimpdadyv July 10, 2010

Mud-slide sandwich

when you have diarrhea and instead of wiping you proceed to have unprotected anal sex. Once the guy pulls out you then proceed to eat the diarrhea off his dick.

Instead of wiping my ass i decided to do the Mud-slide sandwich with my husband

Mud-slide sandwich by reeeeenknk'a January 16, 2020

Mud-slide sandwich

when a person has diarrhea and doesn't wipe. They then proceed to have unprotected anal sex, once the guy pulls out the person then proceeds to eat the diarrhea off there cock.

I took a massive shit and decided to do a Mud-slide sandwich with my husband instead of wiping

Mud-slide sandwich by reeeeenknk'a January 16, 2020

Sandy Mud Flaps 

A middle eastern woman that wears thong underwear way too small for her that her lips hangs out of the sides.

Are those camel toes or her sandy mud flaps

Sandy Mud Flaps by Andrea DGeorge Nor-Cal January 11, 2020