A stomach or intestinal ailment that occurs after consuming large quantities of Arby's Roast Beef and liquid cheese for lunch. The nausea, vommitting, and diarrehea are often compounded by sides of fried cheese sticks or curly fries.
Boss: "Jane called in sick again today." Co-worker "she had Arby's for lunch again yesterday, she must be suffering from another bout of the Arby's Flu."
by Glenn Frey August 28, 2014