What is the definition of Shared Weapon?

A 'hared weapon' is like a pair of trusty, albeit slightly temperamental, sidearms that two or more people agree to use together in a fight or, dare we say, a standoff. Imagine it as two friends sharing a gun in a bar fight - one's the trigger finger, and the other's the actual shotgun. The humor here comes from our everyday notion of sharing, but the danger is real!

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Here's an edgy example sentence: "When the two best friends decided to settle their petty territorial dispute over the best pizza slice, they shared a weapon - literally two knives, both belonging to them."