Someone who thinks that their favorite team does no wrong no matter what and will never criticize their team under any circumstance.
Never try to argue with Tom about the Knicks. He's too much of a Stepford Fan to have a logical discussion about them.
A prison inmate who tries to act tough from behind his or her cell door by yelling names or other derogatory statements at either another inmate or a corrections officer. This is usually done when said inmate believes that most likely they won't be identified.
Like a true cell gangsta, Charlie waited until the C.O. was out of range before talking trash on him.