n. secret notification, usually from one nurse to another, that a patient has been incontinent of feces or urine; a signal used by care staff who wish to avoid the clean-up or who wish to save the patient's dignity by removing visitors from the room.
This is a funny time for emergency blood work. And what the heck is a serum reiff-trenchel osmolality?
Don't be a dweeb doctor. That was just a soiler alert.