A crude weapon made usually in someones basement or garage where all the components of the gun are creatively constructed out of what is available to make the gun function. These are usaully made with such crude materials that often duct tape is even used to hold the thing together. It is usually designed to fire a low power cartridge that will not explode the barrel that is usually just pipe. Most zip guns are of .22 caliber or 12 Ga. shotgun as that is usually what is available in pipe sizes. The zip designation means that a rubberband has been used to propel a firing pin to ignite the cartridge. This method is most commonly used due the ease of finding rubberbands. This is not a hobbiest gun but a crude way to get ones hands on a gun usually to commit a murder or to be used in gang shootings or other such applications.
Guido knowing he could not legally obtain a firearm to kill the squealer that turned him in made a zip gun out of what was in his garage to kill the punk.
by The real private pyle November 12, 2003
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zip gun also known as the zip 22 is a gun a shit company made in 2012-2013 and it was so shit that an entire multi million dollar company went out of business.
The zip 22 can be seen in many video games you will know its the zip 22 since it does no FRICKING DAMAGE!!!.
Person 1: The zip gun is dog water.
Person 2: I have one million kills (IN GAME) with it.
Person 1: What is your kdr?
Person 2: negative 5 million
by Zip 22 User February 25, 2021
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a trash gun that a company made because they felt like it so then they lost there gun making permit and went out of bisness cuz there dumb shits. Also in gun games the zip gun (the zip 22) does negative five damage so you would do better if you punch the enemy
Person 1: IMMA ZIP EM SINCE THERE TRASH

the zip gun is trash since person 1 was brutally murdered by a shotgun user (not pog)
by Zip 22 User February 23, 2021
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Sometimes considered a type of booby-trap, a zip gun bomb is a type of improvised explosive device, often a mail bomb, that fires bullet(s) instead of detonating explosives when the package is opened. Usually, the bullets or shotgun shells are wired into an electronic circuit, with hot wires set into their powder chambers, thus no firing pin is required to fire the bullets or shells. These devices could be a real problem for postal authorities as they could fall well under the 16oz. rule where a package has to be handed to a postal employee or it's returned. A zip gun bomb could easily be fitted into a dvd case or similar slim package.
Authorities have told the news that the bomb squad was called to disarm a suspicious device after postal authorities x-rayed the package. Bullets, wired into an parallel electrical circuit, were affixed to a base set to be fired in 4 directions when the package was opened. The device was called a "zip-gun bomb".
by Mitchell_L September 7, 2014
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