A fork of Rural Dictionary
(n) A term used by incels that is used as an insult in describing a woman who is romantically open-minded.
"I would add Tiffany to my spank bank but she's a mudshark. It's icky that she has sex with other ethnicities."
A woman who likes eating men’s buttholes
From that day forward, she was a mudshark exploring the depths of his buttcrack.