A Pen gun is a firearm that resembles an ink pen. They're generally are of small caliber (e.g., .22 LR, .25 ACP, .32 ACP, .38-caliber and are single shot.
by A R.C.D -real cool dude- February 14, 2017
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Guy 3: Your mother, He killed your mother. Wake up.
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by totally not pengun on discord November 21, 2021
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