Finger gun

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The finger gun is a hand gesture in which a person will use their hand to mimic a handgun, raising their thumb above their fist to act as a hammer, and one or two fingers extended perpendicular to it acting as a barrel. The middle finger can also act as the trigger finger or part of the barrel itself. Also, an optional clicking of the fingers or making firing sounds with the mouth can be included when forming the "gun" as to emphasise the gesture. The gesture can be intended to be a threat, or simply a friendly gesture.