mud biscuit 

A slang terminology to describe a person as a "piece of shit", in a serious or jovial manner

"Go fuck yourself, you mud biscuit".

mud biscuit by Christopher "Robb-E-Robb" Robb June 1, 2011

Mud Biscuit 

The act of defecating upon your partners chest, then proceeding to close her breasts together therefore creating the biscuit.

Jenny fell asleep before I got home so I gave her a mud biscuit.

Mud Biscuit by Hugh Jass Baughls February 8, 2021

Ecuadorian Mud Biscuit 

The action of whipping someone with feces (of usually the solid form) in a sock.

Did you see Josh hit Bethany with an Ecuadorian Mud Biscuit at that party last night?

Ecuadorian Mud Biscuit by Jack Fitzy September 14, 2018

Mississippi mud biscuit

when your brother shits in your pussy and butters your biscuit with his seamen

Hey sis I need me one of them Mississippi mud biscuits ...... go bulldogs as cow bells ring in the background

Mississippi mud biscuit by Wop dago from bama May 21, 2018