mud shark (plural mud sharks) (derogatory, offensive, ethnic slur) A non-black person, usually a white woman, who has sexual relationships with black people, usually men.

Mud shark is a racial slur for a white woman who sleeps with black men. Where does mud shark come from? Mud shark is a nickname for the spiny dogfish or burbot that originated with Alaskan fishermen in the 1930s. It’s a critter eaten around the world, sometimes in fish and chips. The mud shark is part of rock ‘n’ roll history, too.