"Mud of murk"
What does "Mud of murk" mean?
If you hear a waitress say "Mud of murk" at a diner or restaurant, it's just another way to say "Black coffee." Also referred to as "Mud O'Murk" and "Mug of murk."
There are hundreds of other popular diner lingo phrases - to learn more, check out the links below or browse the rest of our restaurant slang dictionary.