What is the definition of Opened Weapon?

An 'opened weapon' is like when you accidentally spill paint on your friend's favorite shirt and then, in a moment of sheer, uncontainable anger, you decide to use it as a makeshift broom to kick them across the room. It's a metaphorical phrase that implies unleashing something potent and unexpected, but in this case, it's more of a colorful splatter of paint than actual violence.

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Here's an edgy example sentence: "After the chef's misplaced spatula went to war with the fridge, we decided to 'open a weapon' and turned the kitchen into a war zone of sizzling pots and burnt toast."