Someone who acts like the toughest person on the planet as long as there is a physical barrier between them and the person they are trying to intimidate. Primarily in a jail setting, but can be interchangeable in all of life's scenarios.
The guy in cell 36 is the biggest Door Gangster. He threatened to spit on me until I opened his cell door, then he went to his bed and laid down like a bitch.
by KaptKyle May 18, 2021
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