draw a clock

A response to a deeply confusing or dumb comment. Physicians often ask patients to draw an analog clock on a piece of paper to screen for dementia, Alzheimer's disease, and encephalitis. If the patient's clock picture looks disfigured or incorrect, it is a strong indicator of mental decline. Hannibal Lecter famously asked detective Will Graham to draw a clock to diagnose Will's case of encephalitis in the first season of Hannibal.

Person 1: Tucker Carlson is a socialist!

Person 2: What the hell? Draw a clock, man.