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big sick

What does big sick mean?

Shorthand for a critically ill patient — the kind you clock from the doorway. Opposite of 'little sick' (the walking, talking, mildly miserable). Used in triage to separate the truly time-critical from the noise.

"Forget the chart, she's big sick — get a line in and roll."

Frequently asked questions

What does 'big sick' mean in medicine?
The 'big sick' is the patient who's obviously, visibly, no-questions-about-it dying.
How do you use 'big sick' in a sentence?
A clinician might say, 'Forget the paperwork — bed three is big sick, get in there now.'
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Slang definitions: FreeDict original editorial.