black breakfast
person a: would you like some egg and bacon for breakfast?  person b: no thanks, i gotta get down to the bus stop so i'm just having a black breakfast
"a brekfast that includes cereal in a bowl
"person a: would you like some egg and bacon for breakfast?  person b: no thanks, i gotta get down to the bus stop so i'm just having a black breakfast" What is the definition of "black breakfast"?