11-99

Definition

A police radio code indicating 'Officer Needs Help—Extreme Emergency,' designed to mobilize all nearby units for immediate response. When you hear this code, every available officer knows it's serious.

Example Usage

The dispatcher called an 11-99 on Fifth Street and units converged within seconds.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=11-99&defid=3068340)

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