What is the definition of Visitors Weapon?

A 'visitors weapon' is like a cross between a tourist's delight and a horror movie's villain - it's an object brought to a place for the sole purpose of causing mischief and maybe even a little fright. Picture this: "The 'visitors weapon' of the evening was a vintage smoke gun, intended for all the partygoers but ended up as the unexpected weapon of choice for the creepy ghost who claimed to have seen the partygoers' hidden, smoldering weapons."

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Now, here's a sentence that dives deep into the unsettling side: "The 'visitors weapon' of the haunted mansion's grand ball was a suspiciously large, silent disco player - because who needs live music when you've got a whole room of silent, spinning disco balls?"