The tunnel vision acquired by first-responders that cause them to only worry about getting to the scene and nothing else. It is commonly seen in firefighters and EMS when responding to a call or page. They will often disregard the rules of the road in favor of getting to the scene quickly
Man, I was scared shitless of Jeremy driving last night.

Dude, didn't you know he gets serious siren sight when he responds to pages?
That explains the five red lights he ran
by hellolilly March 6, 2017
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