A slang terminology to describe a person as a "piece of shit", in a serious or jovial manner
"Go fuck yourself, you 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.
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?
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