vampire cold
Symptoms of a common cold-type illness that seemingly disappear during the daylight hours, especially after waking, but then reappear in the evening, closer to sleep. Usually accompanied by a great deal of congestion and out right coughing.
Patient: "Yeah, I thought I had this thing kicked by noon, but noo, once the Simpsons were over, I was back to coughing up lung butter and suckin' down the Halls."
Physician: "Possibly cancer but more likely a vampire cold."
Physician: "Possibly cancer but more likely a vampire cold."